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Finding the Fourth Proportional to 162,903.78, 224,806.92 and 99,241.58

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Solution

The fourth proportional to 162,903.78, 224,806.92 and 99,241.58 is: 136,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,903.78 : 224,806.92 = 99,241.58 : x
  2. Step 2: Convert to fraction form
    162,903.78/224,806.92 = 99,241.58/x
  3. Step 3: Cross multiply
    162,903.78x = 224,806.92 × 99,241.58
  4. Step 4: Simplify right side
    162,903.78x = 22,310,193,935.73
  5. Step 5: Solve for x
    x = 22,310,193,935.73/162,903.78
  6. Step 6: Final answer
    x = 136,953.20

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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.