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Finding the Fourth Proportional to 107,658.72, 161,468.64 and 37,558.08

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Solution

The fourth proportional to 107,658.72, 161,468.64 and 37,558.08 is: 56,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,658.72 : 161,468.64 = 37,558.08 : x
  2. Step 2: Convert to fraction form
    107,658.72/161,468.64 = 37,558.08/x
  3. Step 3: Cross multiply
    107,658.72x = 161,468.64 × 37,558.08
  4. Step 4: Simplify right side
    107,658.72x = 6,064,452,098.61
  5. Step 5: Solve for x
    x = 6,064,452,098.61/107,658.72
  6. Step 6: Final answer
    x = 56,330.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.