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Finding the Fourth Proportional to 107,602, 148,490.76 and 60,498

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Solution

The fourth proportional to 107,602, 148,490.76 and 60,498 is: 83,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,602 : 148,490.76 = 60,498 : x
  2. Step 2: Convert to fraction form
    107,602/148,490.76 = 60,498/x
  3. Step 3: Cross multiply
    107,602x = 148,490.76 × 60,498
  4. Step 4: Simplify right side
    107,602x = 8,983,393,998.48
  5. Step 5: Solve for x
    x = 8,983,393,998.48/107,602
  6. Step 6: Final answer
    x = 83,487.24

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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.