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Finding the Fourth Proportional to 162,897.78, 224,665.65 and 114,659.39

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Solution

The fourth proportional to 162,897.78, 224,665.65 and 114,659.39 is: 158,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,897.78 : 224,665.65 = 114,659.39 : x
  2. Step 2: Convert to fraction form
    162,897.78/224,665.65 = 114,659.39/x
  3. Step 3: Cross multiply
    162,897.78x = 224,665.65 × 114,659.39
  4. Step 4: Simplify right side
    162,897.78x = 25,760,026,382.95
  5. Step 5: Solve for x
    x = 25,760,026,382.95/162,897.78
  6. Step 6: Final answer
    x = 158,136.14

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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.