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Finding the Fourth Proportional to 250,784.11, 375,978.25 and 124,337.17

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Solution

The fourth proportional to 250,784.11, 375,978.25 and 124,337.17 is: 186,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,784.11 : 375,978.25 = 124,337.17 : x
  2. Step 2: Convert to fraction form
    250,784.11/375,978.25 = 124,337.17/x
  3. Step 3: Cross multiply
    250,784.11x = 375,978.25 × 124,337.17
  4. Step 4: Simplify right side
    250,784.11x = 46,748,071,586.55
  5. Step 5: Solve for x
    x = 46,748,071,586.55/250,784.11
  6. Step 6: Final answer
    x = 186,407.63

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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.