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Finding the Fourth Proportional to 110,049.66, 151,528.48 and 85,947.98

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Solution

The fourth proportional to 110,049.66, 151,528.48 and 85,947.98 is: 118,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,049.66 : 151,528.48 = 85,947.98 : x
  2. Step 2: Convert to fraction form
    110,049.66/151,528.48 = 85,947.98/x
  3. Step 3: Cross multiply
    110,049.66x = 151,528.48 × 85,947.98
  4. Step 4: Simplify right side
    110,049.66x = 13,023,566,768.47
  5. Step 5: Solve for x
    x = 13,023,566,768.47/110,049.66
  6. Step 6: Final answer
    x = 118,342.64

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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.