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Finding the Fourth Proportional to 100,101,603.60, 150,152,405.40 and 42,595,750.80

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Solution

The fourth proportional to 100,101,603.60, 150,152,405.40 and 42,595,750.80 is: 63,893,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,101,603.60 : 150,152,405.40 = 42,595,750.80 : x
  2. Step 2: Convert to fraction form
    100,101,603.60/150,152,405.40 = 42,595,750.80/x
  3. Step 3: Cross multiply
    100,101,603.60x = 150,152,405.40 × 42,595,750.80
  4. Step 4: Simplify right side
    100,101,603.60x = 6,395,854,442,438,974
  5. Step 5: Solve for x
    x = 6,395,854,442,438,974/100,101,603.60
  6. Step 6: Final answer
    x = 63,893,626.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.