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Finding the Fourth Proportional to 107,657, 148,566.66 and 60,553

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Solution

The fourth proportional to 107,657, 148,566.66 and 60,553 is: 83,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,657 : 148,566.66 = 60,553 : x
  2. Step 2: Convert to fraction form
    107,657/148,566.66 = 60,553/x
  3. Step 3: Cross multiply
    107,657x = 148,566.66 × 60,553
  4. Step 4: Simplify right side
    107,657x = 8,996,156,962.98
  5. Step 5: Solve for x
    x = 8,996,156,962.98/107,657
  6. Step 6: Final answer
    x = 83,563.14

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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.