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Finding the Fourth Proportional to 108,997.80, 163,496.70 and 59,101.80

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Solution

The fourth proportional to 108,997.80, 163,496.70 and 59,101.80 is: 88,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,997.80 : 163,496.70 = 59,101.80 : x
  2. Step 2: Convert to fraction form
    108,997.80/163,496.70 = 59,101.80/x
  3. Step 3: Cross multiply
    108,997.80x = 163,496.70 × 59,101.80
  4. Step 4: Simplify right side
    108,997.80x = 9,662,949,264.06
  5. Step 5: Solve for x
    x = 9,662,949,264.06/108,997.80
  6. Step 6: Final answer
    x = 88,652.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.