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Finding the Fourth Proportional to 100,417.76, 150,425.82 and 60,414.68

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Solution

The fourth proportional to 100,417.76, 150,425.82 and 60,414.68 is: 90,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,417.76 : 150,425.82 = 60,414.68 : x
  2. Step 2: Convert to fraction form
    100,417.76/150,425.82 = 60,414.68/x
  3. Step 3: Cross multiply
    100,417.76x = 150,425.82 × 60,414.68
  4. Step 4: Simplify right side
    100,417.76x = 9,087,927,779.04
  5. Step 5: Solve for x
    x = 9,087,927,779.04/100,417.76
  6. Step 6: Final answer
    x = 90,501.20

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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.