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Finding the Fourth Proportional to 250,543.55, 375,837.11 and 70,630.17

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Solution

The fourth proportional to 250,543.55, 375,837.11 and 70,630.17 is: 105,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,543.55 : 375,837.11 = 70,630.17 : x
  2. Step 2: Convert to fraction form
    250,543.55/375,837.11 = 70,630.17/x
  3. Step 3: Cross multiply
    250,543.55x = 375,837.11 × 70,630.17
  4. Step 4: Simplify right side
    250,543.55x = 26,545,438,971.61
  5. Step 5: Solve for x
    x = 26,545,438,971.61/250,543.55
  6. Step 6: Final answer
    x = 105,951.40

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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.