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Finding the Fourth Proportional to 101,584.44, 140,094.72 and 65,737.08

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Solution

The fourth proportional to 101,584.44, 140,094.72 and 65,737.08 is: 90,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,584.44 : 140,094.72 = 65,737.08 : x
  2. Step 2: Convert to fraction form
    101,584.44/140,094.72 = 65,737.08/x
  3. Step 3: Cross multiply
    101,584.44x = 140,094.72 × 65,737.08
  4. Step 4: Simplify right side
    101,584.44x = 9,209,417,816.22
  5. Step 5: Solve for x
    x = 9,209,417,816.22/101,584.44
  6. Step 6: Final answer
    x = 90,657.76

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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.