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Finding the Fourth Proportional to 101,587.60, 140,199.56 and 59,159.44

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Solution

The fourth proportional to 101,587.60, 140,199.56 and 59,159.44 is: 81,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,587.60 : 140,199.56 = 59,159.44 : x
  2. Step 2: Convert to fraction form
    101,587.60/140,199.56 = 59,159.44/x
  3. Step 3: Cross multiply
    101,587.60x = 140,199.56 × 59,159.44
  4. Step 4: Simplify right side
    101,587.60x = 8,294,127,457.85
  5. Step 5: Solve for x
    x = 8,294,127,457.85/101,587.60
  6. Step 6: Final answer
    x = 81,645.08

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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.