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Finding the Fourth Proportional to 100,037.60, 149,854.80 and 62,482.40

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Solution

The fourth proportional to 100,037.60, 149,854.80 and 62,482.40 is: 93,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,037.60 : 149,854.80 = 62,482.40 : x
  2. Step 2: Convert to fraction form
    100,037.60/149,854.80 = 62,482.40/x
  3. Step 3: Cross multiply
    100,037.60x = 149,854.80 × 62,482.40
  4. Step 4: Simplify right side
    100,037.60x = 9,363,287,555.52
  5. Step 5: Solve for x
    x = 9,363,287,555.52/100,037.60
  6. Step 6: Final answer
    x = 93,597.68

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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.