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Finding the Fourth Proportional to 181,640.95, 272,462.97 and 63,312.10

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Solution

The fourth proportional to 181,640.95, 272,462.97 and 63,312.10 is: 94,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,640.95 : 272,462.97 = 63,312.10 : x
  2. Step 2: Convert to fraction form
    181,640.95/272,462.97 = 63,312.10/x
  3. Step 3: Cross multiply
    181,640.95x = 272,462.97 × 63,312.10
  4. Step 4: Simplify right side
    181,640.95x = 17,250,202,802.94
  5. Step 5: Solve for x
    x = 17,250,202,802.94/181,640.95
  6. Step 6: Final answer
    x = 94,968.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.