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Finding the Fourth Proportional to 162,353.44, 224,045.52 and 90,734.56

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Solution

The fourth proportional to 162,353.44, 224,045.52 and 90,734.56 is: 125,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,353.44 : 224,045.52 = 90,734.56 : x
  2. Step 2: Convert to fraction form
    162,353.44/224,045.52 = 90,734.56/x
  3. Step 3: Cross multiply
    162,353.44x = 224,045.52 × 90,734.56
  4. Step 4: Simplify right side
    162,353.44x = 20,328,671,677.17
  5. Step 5: Solve for x
    x = 20,328,671,677.17/162,353.44
  6. Step 6: Final answer
    x = 125,212.45

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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.