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Finding the Fourth Proportional to 101,465.60, 152,198.40 and 66,444.80

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Solution

The fourth proportional to 101,465.60, 152,198.40 and 66,444.80 is: 99,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,465.60 : 152,198.40 = 66,444.80 : x
  2. Step 2: Convert to fraction form
    101,465.60/152,198.40 = 66,444.80/x
  3. Step 3: Cross multiply
    101,465.60x = 152,198.40 × 66,444.80
  4. Step 4: Simplify right side
    101,465.60x = 10,112,792,248.32
  5. Step 5: Solve for x
    x = 10,112,792,248.32/101,465.60
  6. Step 6: Final answer
    x = 99,667.20

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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.