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Finding the Fourth Proportional to 181,951.72, 272,875.74 and 115,291.24

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Solution

The fourth proportional to 181,951.72, 272,875.74 and 115,291.24 is: 172,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,951.72 : 272,875.74 = 115,291.24 : x
  2. Step 2: Convert to fraction form
    181,951.72/272,875.74 = 115,291.24/x
  3. Step 3: Cross multiply
    181,951.72x = 272,875.74 × 115,291.24
  4. Step 4: Simplify right side
    181,951.72x = 31,460,182,430.52
  5. Step 5: Solve for x
    x = 31,460,182,430.52/181,951.72
  6. Step 6: Final answer
    x = 172,904.01

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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.