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Finding the Fourth Proportional to 317,756.49, 476,700.39 and 93,124.28

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Solution

The fourth proportional to 317,756.49, 476,700.39 and 93,124.28 is: 139,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,756.49 : 476,700.39 = 93,124.28 : x
  2. Step 2: Convert to fraction form
    317,756.49/476,700.39 = 93,124.28/x
  3. Step 3: Cross multiply
    317,756.49x = 476,700.39 × 93,124.28
  4. Step 4: Simplify right side
    317,756.49x = 44,392,378,210.97
  5. Step 5: Solve for x
    x = 44,392,378,210.97/317,756.49
  6. Step 6: Final answer
    x = 139,705.65

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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.