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Finding the Fourth Proportional to 162,511.11, 224,276.79 and 90,897.79

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Solution

The fourth proportional to 162,511.11, 224,276.79 and 90,897.79 is: 125,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,511.11 : 224,276.79 = 90,897.79 : x
  2. Step 2: Convert to fraction form
    162,511.11/224,276.79 = 90,897.79/x
  3. Step 3: Cross multiply
    162,511.11x = 224,276.79 × 90,897.79
  4. Step 4: Simplify right side
    162,511.11x = 20,386,264,559.29
  5. Step 5: Solve for x
    x = 20,386,264,559.29/162,511.11
  6. Step 6: Final answer
    x = 125,445.36

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1.5x scale

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.