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Finding the Fourth Proportional to 96,507.61, 133,173.78 and 53,486.68

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Solution

The fourth proportional to 96,507.61, 133,173.78 and 53,486.68 is: 73,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,507.61 : 133,173.78 = 53,486.68 : x
  2. Step 2: Convert to fraction form
    96,507.61/133,173.78 = 53,486.68/x
  3. Step 3: Cross multiply
    96,507.61x = 133,173.78 × 53,486.68
  4. Step 4: Simplify right side
    96,507.61x = 7,123,023,355.25
  5. Step 5: Solve for x
    x = 7,123,023,355.25/96,507.61
  6. Step 6: Final answer
    x = 73,807.89

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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.