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Finding the Fourth Proportional to 103,750.40, 155,267.20 and 62,227.20

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Solution

The fourth proportional to 103,750.40, 155,267.20 and 62,227.20 is: 93,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,750.40 : 155,267.20 = 62,227.20 : x
  2. Step 2: Convert to fraction form
    103,750.40/155,267.20 = 62,227.20/x
  3. Step 3: Cross multiply
    103,750.40x = 155,267.20 × 62,227.20
  4. Step 4: Simplify right side
    103,750.40x = 9,661,843,107.84
  5. Step 5: Solve for x
    x = 9,661,843,107.84/103,750.40
  6. Step 6: Final answer
    x = 93,125.84

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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.