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Finding the Fourth Proportional to 144,875.40, 216,794.70 and 132,433.80

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Solution

The fourth proportional to 144,875.40, 216,794.70 and 132,433.80 is: 198,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,875.40 : 216,794.70 = 132,433.80 : x
  2. Step 2: Convert to fraction form
    144,875.40/216,794.70 = 132,433.80/x
  3. Step 3: Cross multiply
    144,875.40x = 216,794.70 × 132,433.80
  4. Step 4: Simplify right side
    144,875.40x = 28,710,945,940.86
  5. Step 5: Solve for x
    x = 28,710,945,940.86/144,875.40
  6. Step 6: Final answer
    x = 198,176.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.