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Finding the Fourth Proportional to 194,468.60, 292,140.30 and 187,032.80

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Solution

The fourth proportional to 194,468.60, 292,140.30 and 187,032.80 is: 280,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,468.60 : 292,140.30 = 187,032.80 : x
  2. Step 2: Convert to fraction form
    194,468.60/292,140.30 = 187,032.80/x
  3. Step 3: Cross multiply
    194,468.60x = 292,140.30 × 187,032.80
  4. Step 4: Simplify right side
    194,468.60x = 54,639,818,301.84
  5. Step 5: Solve for x
    x = 54,639,818,301.84/194,468.60
  6. Step 6: Final answer
    x = 280,969.88

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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.