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Finding the Fourth Proportional to 162,534.75, 224,307.90 and 90,919.59

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Solution

The fourth proportional to 162,534.75, 224,307.90 and 90,919.59 is: 125,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,534.75 : 224,307.90 = 90,919.59 : x
  2. Step 2: Convert to fraction form
    162,534.75/224,307.90 = 90,919.59/x
  3. Step 3: Cross multiply
    162,534.75x = 224,307.90 × 90,919.59
  4. Step 4: Simplify right side
    162,534.75x = 20,393,982,301.76
  5. Step 5: Solve for x
    x = 20,393,982,301.76/162,534.75
  6. Step 6: Final answer
    x = 125,474.60

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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.