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Finding the Fourth Proportional to 265,524.68, 398,070.86 and 123,459.39

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Solution

The fourth proportional to 265,524.68, 398,070.86 and 123,459.39 is: 185,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,524.68 : 398,070.86 = 123,459.39 : x
  2. Step 2: Convert to fraction form
    265,524.68/398,070.86 = 123,459.39/x
  3. Step 3: Cross multiply
    265,524.68x = 398,070.86 × 123,459.39
  4. Step 4: Simplify right side
    265,524.68x = 49,145,584,935.08
  5. Step 5: Solve for x
    x = 49,145,584,935.08/265,524.68
  6. Step 6: Final answer
    x = 185,088.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.