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Finding the Fourth Proportional to 162,580.84, 224,352.40 and 89,979.76

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Solution

The fourth proportional to 162,580.84, 224,352.40 and 89,979.76 is: 124,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,580.84 : 224,352.40 = 89,979.76 : x
  2. Step 2: Convert to fraction form
    162,580.84/224,352.40 = 89,979.76/x
  3. Step 3: Cross multiply
    162,580.84x = 224,352.40 × 89,979.76
  4. Step 4: Simplify right side
    162,580.84x = 20,187,175,107.42
  5. Step 5: Solve for x
    x = 20,187,175,107.42/162,580.84
  6. Step 6: Final answer
    x = 124,167.00

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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.