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Finding the Fourth Proportional to 250,788.61, 375,984.99 and 124,341.67

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Solution

The fourth proportional to 250,788.61, 375,984.99 and 124,341.67 is: 186,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,788.61 : 375,984.99 = 124,341.67 : x
  2. Step 2: Convert to fraction form
    250,788.61/375,984.99 = 124,341.67/x
  3. Step 3: Cross multiply
    250,788.61x = 375,984.99 × 124,341.67
  4. Step 4: Simplify right side
    250,788.61x = 46,750,601,551.53
  5. Step 5: Solve for x
    x = 46,750,601,551.53/250,788.61
  6. Step 6: Final answer
    x = 186,414.37

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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.