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Finding the Fourth Proportional to 107,397.70, 148,208.80 and 59,655.49

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Solution

The fourth proportional to 107,397.70, 148,208.80 and 59,655.49 is: 82,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,397.70 : 148,208.80 = 59,655.49 : x
  2. Step 2: Convert to fraction form
    107,397.70/148,208.80 = 59,655.49/x
  3. Step 3: Cross multiply
    107,397.70x = 148,208.80 × 59,655.49
  4. Step 4: Simplify right side
    107,397.70x = 8,841,468,586.31
  5. Step 5: Solve for x
    x = 8,841,468,586.31/107,397.70
  6. Step 6: Final answer
    x = 82,324.56

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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.