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Finding the Fourth Proportional to 152,614.68, 210,564.36 and 88,078.74

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Solution

The fourth proportional to 152,614.68, 210,564.36 and 88,078.74 is: 121,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,614.68 : 210,564.36 = 88,078.74 : x
  2. Step 2: Convert to fraction form
    152,614.68/210,564.36 = 88,078.74/x
  3. Step 3: Cross multiply
    152,614.68x = 210,564.36 × 88,078.74
  4. Step 4: Simplify right side
    152,614.68x = 18,546,243,517.71
  5. Step 5: Solve for x
    x = 18,546,243,517.71/152,614.68
  6. Step 6: Final answer
    x = 121,523.33

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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.