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Finding the Fourth Proportional to 110,349.44, 152,259.16 and 72,164.96

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Solution

The fourth proportional to 110,349.44, 152,259.16 and 72,164.96 is: 99,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,349.44 : 152,259.16 = 72,164.96 : x
  2. Step 2: Convert to fraction form
    110,349.44/152,259.16 = 72,164.96/x
  3. Step 3: Cross multiply
    110,349.44x = 152,259.16 × 72,164.96
  4. Step 4: Simplify right side
    110,349.44x = 10,987,776,191.03
  5. Step 5: Solve for x
    x = 10,987,776,191.03/110,349.44
  6. Step 6: Final answer
    x = 99,572.56

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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.