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Finding the Fourth Proportional to 107,892.34, 148,897.92 and 60,145.66

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Solution

The fourth proportional to 107,892.34, 148,897.92 and 60,145.66 is: 83,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892.34 : 148,897.92 = 60,145.66 : x
  2. Step 2: Convert to fraction form
    107,892.34/148,897.92 = 60,145.66/x
  3. Step 3: Cross multiply
    107,892.34x = 148,897.92 × 60,145.66
  4. Step 4: Simplify right side
    107,892.34x = 8,955,563,671.03
  5. Step 5: Solve for x
    x = 8,955,563,671.03/107,892.34
  6. Step 6: Final answer
    x = 83,004.63

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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.