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Finding the Fourth Proportional to 162,885.76, 224,782.19 and 91,266.30

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Solution

The fourth proportional to 162,885.76, 224,782.19 and 91,266.30 is: 125,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,885.76 : 224,782.19 = 91,266.30 : x
  2. Step 2: Convert to fraction form
    162,885.76/224,782.19 = 91,266.30/x
  3. Step 3: Cross multiply
    162,885.76x = 224,782.19 × 91,266.30
  4. Step 4: Simplify right side
    162,885.76x = 20,515,037,663.29
  5. Step 5: Solve for x
    x = 20,515,037,663.29/162,885.76
  6. Step 6: Final answer
    x = 125,947.40

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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.