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Finding the Fourth Proportional to 107,398.99, 148,206.48 and 59,655.38

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Solution

The fourth proportional to 107,398.99, 148,206.48 and 59,655.38 is: 82,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,398.99 : 148,206.48 = 59,655.38 : x
  2. Step 2: Convert to fraction form
    107,398.99/148,206.48 = 59,655.38/x
  3. Step 3: Cross multiply
    107,398.99x = 148,206.48 × 59,655.38
  4. Step 4: Simplify right side
    107,398.99x = 8,841,313,882.86
  5. Step 5: Solve for x
    x = 8,841,313,882.86/107,398.99
  6. Step 6: Final answer
    x = 82,322.13

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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.