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Finding the Fourth Proportional to 162,563.76, 224,327.52 and 90,931.44

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Solution

The fourth proportional to 162,563.76, 224,327.52 and 90,931.44 is: 125,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,563.76 : 224,327.52 = 90,931.44 : x
  2. Step 2: Convert to fraction form
    162,563.76/224,327.52 = 90,931.44/x
  3. Step 3: Cross multiply
    162,563.76x = 224,327.52 × 90,931.44
  4. Step 4: Simplify right side
    162,563.76x = 20,398,424,425.23
  5. Step 5: Solve for x
    x = 20,398,424,425.23/162,563.76
  6. Step 6: Final answer
    x = 125,479.53

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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.