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Finding the Fourth Proportional to 113,157.32, 156,157.14 and 62,173.32

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Solution

The fourth proportional to 113,157.32, 156,157.14 and 62,173.32 is: 85,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,157.32 : 156,157.14 = 62,173.32 : x
  2. Step 2: Convert to fraction form
    113,157.32/156,157.14 = 62,173.32/x
  3. Step 3: Cross multiply
    113,157.32x = 156,157.14 × 62,173.32
  4. Step 4: Simplify right side
    113,157.32x = 9,708,807,835.50
  5. Step 5: Solve for x
    x = 9,708,807,835.50/113,157.32
  6. Step 6: Final answer
    x = 85,799.20

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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.