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Finding the Fourth Proportional to 162,789.95, 224,662.02 and 98,275.05

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Solution

The fourth proportional to 162,789.95, 224,662.02 and 98,275.05 is: 135,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,789.95 : 224,662.02 = 98,275.05 : x
  2. Step 2: Convert to fraction form
    162,789.95/224,662.02 = 98,275.05/x
  3. Step 3: Cross multiply
    162,789.95x = 224,662.02 × 98,275.05
  4. Step 4: Simplify right side
    162,789.95x = 22,078,671,248.60
  5. Step 5: Solve for x
    x = 22,078,671,248.60/162,789.95
  6. Step 6: Final answer
    x = 135,626.75

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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.