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Finding the Fourth Proportional to 250,608.20, 375,981.72 and 115,713.47

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Solution

The fourth proportional to 250,608.20, 375,981.72 and 115,713.47 is: 173,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,608.20 : 375,981.72 = 115,713.47 : x
  2. Step 2: Convert to fraction form
    250,608.20/375,981.72 = 115,713.47/x
  3. Step 3: Cross multiply
    250,608.20x = 375,981.72 × 115,713.47
  4. Step 4: Simplify right side
    250,608.20x = 43,506,147,597.86
  5. Step 5: Solve for x
    x = 43,506,147,597.86/250,608.20
  6. Step 6: Final answer
    x = 173,602.25

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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.