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Finding the Fourth Proportional to 181,820.16, 272,746.04 and 55,488.88

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Solution

The fourth proportional to 181,820.16, 272,746.04 and 55,488.88 is: 83,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,820.16 : 272,746.04 = 55,488.88 : x
  2. Step 2: Convert to fraction form
    181,820.16/272,746.04 = 55,488.88/x
  3. Step 3: Cross multiply
    181,820.16x = 272,746.04 × 55,488.88
  4. Step 4: Simplify right side
    181,820.16x = 15,134,372,284.04
  5. Step 5: Solve for x
    x = 15,134,372,284.04/181,820.16
  6. Step 6: Final answer
    x = 83,238.14

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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.