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Finding the Fourth Proportional to 93,792.38, 129,445.83 and 53,496.90

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Solution

The fourth proportional to 93,792.38, 129,445.83 and 53,496.90 is: 73,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,792.38 : 129,445.83 = 53,496.90 : x
  2. Step 2: Convert to fraction form
    93,792.38/129,445.83 = 53,496.90/x
  3. Step 3: Cross multiply
    93,792.38x = 129,445.83 × 53,496.90
  4. Step 4: Simplify right side
    93,792.38x = 6,924,950,622.93
  5. Step 5: Solve for x
    x = 6,924,950,622.93/93,792.38
  6. Step 6: Final answer
    x = 73,832.77

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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.