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Finding the Fourth Proportional to 272,009.52, 375,360.12 and 151,158.96

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Solution

The fourth proportional to 272,009.52, 375,360.12 and 151,158.96 is: 208,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,009.52 : 375,360.12 = 151,158.96 : x
  2. Step 2: Convert to fraction form
    272,009.52/375,360.12 = 151,158.96/x
  3. Step 3: Cross multiply
    272,009.52x = 375,360.12 × 151,158.96
  4. Step 4: Simplify right side
    272,009.52x = 56,739,045,364.68
  5. Step 5: Solve for x
    x = 56,739,045,364.68/272,009.52
  6. Step 6: Final answer
    x = 208,592.13

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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.