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Finding the Fourth Proportional to 101,366.76, 152,050.14 and 31,246.12

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Solution

The fourth proportional to 101,366.76, 152,050.14 and 31,246.12 is: 46,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,366.76 : 152,050.14 = 31,246.12 : x
  2. Step 2: Convert to fraction form
    101,366.76/152,050.14 = 31,246.12/x
  3. Step 3: Cross multiply
    101,366.76x = 152,050.14 × 31,246.12
  4. Step 4: Simplify right side
    101,366.76x = 4,750,976,920.46
  5. Step 5: Solve for x
    x = 4,750,976,920.46/101,366.76
  6. Step 6: Final answer
    x = 46,869.18

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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.