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Finding the Fourth Proportional to 108,159.64, 149,259.40 and 59,761.41

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Solution

The fourth proportional to 108,159.64, 149,259.40 and 59,761.41 is: 82,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,159.64 : 149,259.40 = 59,761.41 : x
  2. Step 2: Convert to fraction form
    108,159.64/149,259.40 = 59,761.41/x
  3. Step 3: Cross multiply
    108,159.64x = 149,259.40 × 59,761.41
  4. Step 4: Simplify right side
    108,159.64x = 8,919,952,050.35
  5. Step 5: Solve for x
    x = 8,919,952,050.35/108,159.64
  6. Step 6: Final answer
    x = 82,470.25

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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.