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Finding the Fourth Proportional to 250,318.95, 375,480.81 and 60,781.02

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Solution

The fourth proportional to 250,318.95, 375,480.81 and 60,781.02 is: 91,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,318.95 : 375,480.81 = 60,781.02 : x
  2. Step 2: Convert to fraction form
    250,318.95/375,480.81 = 60,781.02/x
  3. Step 3: Cross multiply
    250,318.95x = 375,480.81 × 60,781.02
  4. Step 4: Simplify right side
    250,318.95x = 22,822,106,622.23
  5. Step 5: Solve for x
    x = 22,822,106,622.23/250,318.95
  6. Step 6: Final answer
    x = 91,172.11

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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.