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Finding the Fourth Proportional to 113,659.88, 156,850.64 and 63,358.88

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Solution

The fourth proportional to 113,659.88, 156,850.64 and 63,358.88 is: 87,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,659.88 : 156,850.64 = 63,358.88 : x
  2. Step 2: Convert to fraction form
    113,659.88/156,850.64 = 63,358.88/x
  3. Step 3: Cross multiply
    113,659.88x = 156,850.64 × 63,358.88
  4. Step 4: Simplify right side
    113,659.88x = 9,937,880,877.68
  5. Step 5: Solve for x
    x = 9,937,880,877.68/113,659.88
  6. Step 6: Final answer
    x = 87,435.26

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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.