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Finding the Fourth Proportional to 113,251, 156,286.48 and 62,264.60

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Solution

The fourth proportional to 113,251, 156,286.48 and 62,264.60 is: 85,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,251 : 156,286.48 = 62,264.60 : x
  2. Step 2: Convert to fraction form
    113,251/156,286.48 = 62,264.60/x
  3. Step 3: Cross multiply
    113,251x = 156,286.48 × 62,264.60
  4. Step 4: Simplify right side
    113,251x = 9,731,114,771.89
  5. Step 5: Solve for x
    x = 9,731,114,771.89/113,251
  6. Step 6: Final answer
    x = 85,925.20

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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.