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Finding the Fourth Proportional to 272,526.72, 375,999.36 and 165,062.40

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Solution

The fourth proportional to 272,526.72, 375,999.36 and 165,062.40 is: 227,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,526.72 : 375,999.36 = 165,062.40 : x
  2. Step 2: Convert to fraction form
    272,526.72/375,999.36 = 165,062.40/x
  3. Step 3: Cross multiply
    272,526.72x = 375,999.36 × 165,062.40
  4. Step 4: Simplify right side
    272,526.72x = 62,063,356,760.06
  5. Step 5: Solve for x
    x = 62,063,356,760.06/272,526.72
  6. Step 6: Final answer
    x = 227,733.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.