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Finding the Fourth Proportional to 181,612, 272,419.35 and 63,283.15

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Solution

The fourth proportional to 181,612, 272,419.35 and 63,283.15 is: 94,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,612 : 272,419.35 = 63,283.15 : x
  2. Step 2: Convert to fraction form
    181,612/272,419.35 = 63,283.15/x
  3. Step 3: Cross multiply
    181,612x = 272,419.35 × 63,283.15
  4. Step 4: Simplify right side
    181,612x = 17,239,554,588.95
  5. Step 5: Solve for x
    x = 17,239,554,588.95/181,612
  6. Step 6: Final answer
    x = 94,925.20

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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.