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Finding the Fourth Proportional to 93,590.71, 129,154.87 and 51,149.23

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Solution

The fourth proportional to 93,590.71, 129,154.87 and 51,149.23 is: 70,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,590.71 : 129,154.87 = 51,149.23 : x
  2. Step 2: Convert to fraction form
    93,590.71/129,154.87 = 51,149.23/x
  3. Step 3: Cross multiply
    93,590.71x = 129,154.87 × 51,149.23
  4. Step 4: Simplify right side
    93,590.71x = 6,606,172,151.25
  5. Step 5: Solve for x
    x = 6,606,172,151.25/93,590.71
  6. Step 6: Final answer
    x = 70,585.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.