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Finding the Fourth Proportional to 107,458.53, 148,289.79 and 59,710.65

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Solution

The fourth proportional to 107,458.53, 148,289.79 and 59,710.65 is: 82,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,458.53 : 148,289.79 = 59,710.65 : x
  2. Step 2: Convert to fraction form
    107,458.53/148,289.79 = 59,710.65/x
  3. Step 3: Cross multiply
    107,458.53x = 148,289.79 × 59,710.65
  4. Step 4: Simplify right side
    107,458.53x = 8,854,479,749.26
  5. Step 5: Solve for x
    x = 8,854,479,749.26/107,458.53
  6. Step 6: Final answer
    x = 82,399.04

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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.