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Finding the Fourth Proportional to 96,732.80, 133,484.75 and 53,710.07

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Solution

The fourth proportional to 96,732.80, 133,484.75 and 53,710.07 is: 74,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,732.80 : 133,484.75 = 53,710.07 : x
  2. Step 2: Convert to fraction form
    96,732.80/133,484.75 = 53,710.07/x
  3. Step 3: Cross multiply
    96,732.80x = 133,484.75 × 53,710.07
  4. Step 4: Simplify right side
    96,732.80x = 7,169,475,331.59
  5. Step 5: Solve for x
    x = 7,169,475,331.59/96,732.80
  6. Step 6: Final answer
    x = 74,116.28

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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.