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Finding the Fourth Proportional to 162,606.84, 224,386.86 and 90,974.52

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Solution

The fourth proportional to 162,606.84, 224,386.86 and 90,974.52 is: 125,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,606.84 : 224,386.86 = 90,974.52 : x
  2. Step 2: Convert to fraction form
    162,606.84/224,386.86 = 90,974.52/x
  3. Step 3: Cross multiply
    162,606.84x = 224,386.86 × 90,974.52
  4. Step 4: Simplify right side
    162,606.84x = 20,413,486,882.81
  5. Step 5: Solve for x
    x = 20,413,486,882.81/162,606.84
  6. Step 6: Final answer
    x = 125,538.92

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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.