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Finding the Fourth Proportional to 93,706.38, 129,317.90 and 51,264.92

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Solution

The fourth proportional to 93,706.38, 129,317.90 and 51,264.92 is: 70,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,706.38 : 129,317.90 = 51,264.92 : x
  2. Step 2: Convert to fraction form
    93,706.38/129,317.90 = 51,264.92/x
  3. Step 3: Cross multiply
    93,706.38x = 129,317.90 × 51,264.92
  4. Step 4: Simplify right side
    93,706.38x = 6,629,470,895.15
  5. Step 5: Solve for x
    x = 6,629,470,895.15/93,706.38
  6. Step 6: Final answer
    x = 70,747.27

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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.