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Finding the Fourth Proportional to 354,797.82, 532,281.47 and 118,142.55

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Solution

The fourth proportional to 354,797.82, 532,281.47 and 118,142.55 is: 177,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,797.82 : 532,281.47 = 118,142.55 : x
  2. Step 2: Convert to fraction form
    354,797.82/532,281.47 = 118,142.55/x
  3. Step 3: Cross multiply
    354,797.82x = 532,281.47 × 118,142.55
  4. Step 4: Simplify right side
    354,797.82x = 62,885,088,926.48
  5. Step 5: Solve for x
    x = 62,885,088,926.48/354,797.82
  6. Step 6: Final answer
    x = 177,242.04

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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.