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Finding the Fourth Proportional to 93,818.25, 129,469.59 and 51,377.49

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Solution

The fourth proportional to 93,818.25, 129,469.59 and 51,377.49 is: 70,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,818.25 : 129,469.59 = 51,377.49 : x
  2. Step 2: Convert to fraction form
    93,818.25/129,469.59 = 51,377.49/x
  3. Step 3: Cross multiply
    93,818.25x = 129,469.59 × 51,377.49
  4. Step 4: Simplify right side
    93,818.25x = 6,651,822,565.53
  5. Step 5: Solve for x
    x = 6,651,822,565.53/93,818.25
  6. Step 6: Final answer
    x = 70,901.16

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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.