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Finding the Fourth Proportional to 181,746, 272,628.72 and 57,096.72

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Solution

The fourth proportional to 181,746, 272,628.72 and 57,096.72 is: 85,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,746 : 272,628.72 = 57,096.72 : x
  2. Step 2: Convert to fraction form
    181,746/272,628.72 = 57,096.72/x
  3. Step 3: Cross multiply
    181,746x = 272,628.72 × 57,096.72
  4. Step 4: Simplify right side
    181,746x = 15,566,205,689.80
  5. Step 5: Solve for x
    x = 15,566,205,689.80/181,746
  6. Step 6: Final answer
    x = 85,648.13

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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.