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Finding the Fourth Proportional to 96,814.64, 133,605.92 and 53,798.11

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Solution

The fourth proportional to 96,814.64, 133,605.92 and 53,798.11 is: 74,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,814.64 : 133,605.92 = 53,798.11 : x
  2. Step 2: Convert to fraction form
    96,814.64/133,605.92 = 53,798.11/x
  3. Step 3: Cross multiply
    96,814.64x = 133,605.92 × 53,798.11
  4. Step 4: Simplify right side
    96,814.64x = 7,187,745,781.29
  5. Step 5: Solve for x
    x = 7,187,745,781.29/96,814.64
  6. Step 6: Final answer
    x = 74,242.34

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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.