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Finding the Fourth Proportional to 158,852.80, 237,890.40 and 75,649.60

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Solution

The fourth proportional to 158,852.80, 237,890.40 and 75,649.60 is: 113,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,852.80 : 237,890.40 = 75,649.60 : x
  2. Step 2: Convert to fraction form
    158,852.80/237,890.40 = 75,649.60/x
  3. Step 3: Cross multiply
    158,852.80x = 237,890.40 × 75,649.60
  4. Step 4: Simplify right side
    158,852.80x = 17,996,313,603.84
  5. Step 5: Solve for x
    x = 17,996,313,603.84/158,852.80
  6. Step 6: Final answer
    x = 113,289.24

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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.