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Finding the Fourth Proportional to 110,451.69, 152,416.08 and 65,127.48

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Solution

The fourth proportional to 110,451.69, 152,416.08 and 65,127.48 is: 89,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,451.69 : 152,416.08 = 65,127.48 : x
  2. Step 2: Convert to fraction form
    110,451.69/152,416.08 = 65,127.48/x
  3. Step 3: Cross multiply
    110,451.69x = 152,416.08 × 65,127.48
  4. Step 4: Simplify right side
    110,451.69x = 9,926,474,114.16
  5. Step 5: Solve for x
    x = 9,926,474,114.16/110,451.69
  6. Step 6: Final answer
    x = 89,871.64

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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.