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Finding the Fourth Proportional to 181,718.68, 272,623.38 and 63,391

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Solution

The fourth proportional to 181,718.68, 272,623.38 and 63,391 is: 95,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,718.68 : 272,623.38 = 63,391 : x
  2. Step 2: Convert to fraction form
    181,718.68/272,623.38 = 63,391/x
  3. Step 3: Cross multiply
    181,718.68x = 272,623.38 × 63,391
  4. Step 4: Simplify right side
    181,718.68x = 17,281,868,681.58
  5. Step 5: Solve for x
    x = 17,281,868,681.58/181,718.68
  6. Step 6: Final answer
    x = 95,102.32

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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.