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Finding the Fourth Proportional to 162,851.13, 224,731.93 and 91,230.93

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Solution

The fourth proportional to 162,851.13, 224,731.93 and 91,230.93 is: 125,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,851.13 : 224,731.93 = 91,230.93 : x
  2. Step 2: Convert to fraction form
    162,851.13/224,731.93 = 91,230.93/x
  3. Step 3: Cross multiply
    162,851.13x = 224,731.93 × 91,230.93
  4. Step 4: Simplify right side
    162,851.13x = 20,502,502,974.59
  5. Step 5: Solve for x
    x = 20,502,502,974.59/162,851.13
  6. Step 6: Final answer
    x = 125,897.21

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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.