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Finding the Fourth Proportional to 250,312.67, 375,317.59 and 98,327.79

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Solution

The fourth proportional to 250,312.67, 375,317.59 and 98,327.79 is: 147,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,312.67 : 375,317.59 = 98,327.79 : x
  2. Step 2: Convert to fraction form
    250,312.67/375,317.59 = 98,327.79/x
  3. Step 3: Cross multiply
    250,312.67x = 375,317.59 × 98,327.79
  4. Step 4: Simplify right side
    250,312.67x = 36,904,149,172.83
  5. Step 5: Solve for x
    x = 36,904,149,172.83/250,312.67
  6. Step 6: Final answer
    x = 147,432.21

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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.