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Finding the Fourth Proportional to 61,060.08, 92,061 and 60,681

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Solution

The fourth proportional to 61,060.08, 92,061 and 60,681 is: 91,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,060.08 : 92,061 = 60,681 : x
  2. Step 2: Convert to fraction form
    61,060.08/92,061 = 60,681/x
  3. Step 3: Cross multiply
    61,060.08x = 92,061 × 60,681
  4. Step 4: Simplify right side
    61,060.08x = 5,586,353,541
  5. Step 5: Solve for x
    x = 5,586,353,541/61,060.08
  6. Step 6: Final answer
    x = 91,489.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.