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Finding the Fourth Proportional to 250,419.59, 375,623.90 and 60,880.95

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Solution

The fourth proportional to 250,419.59, 375,623.90 and 60,880.95 is: 91,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,419.59 : 375,623.90 = 60,880.95 : x
  2. Step 2: Convert to fraction form
    250,419.59/375,623.90 = 60,880.95/x
  3. Step 3: Cross multiply
    250,419.59x = 375,623.90 × 60,880.95
  4. Step 4: Simplify right side
    250,419.59x = 22,868,339,874.71
  5. Step 5: Solve for x
    x = 22,868,339,874.71/250,419.59
  6. Step 6: Final answer
    x = 91,320.09

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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.