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Finding the Fourth Proportional to 98,732.91, 136,252.08 and 60,492.53

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Solution

The fourth proportional to 98,732.91, 136,252.08 and 60,492.53 is: 83,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,732.91 : 136,252.08 = 60,492.53 : x
  2. Step 2: Convert to fraction form
    98,732.91/136,252.08 = 60,492.53/x
  3. Step 3: Cross multiply
    98,732.91x = 136,252.08 × 60,492.53
  4. Step 4: Simplify right side
    98,732.91x = 8,242,233,036.96
  5. Step 5: Solve for x
    x = 8,242,233,036.96/98,732.91
  6. Step 6: Final answer
    x = 83,480.10

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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.