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Finding the Fourth Proportional to 168,068.70, 251,811.45 and 144,740.70

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Solution

The fourth proportional to 168,068.70, 251,811.45 and 144,740.70 is: 216,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,068.70 : 251,811.45 = 144,740.70 : x
  2. Step 2: Convert to fraction form
    168,068.70/251,811.45 = 144,740.70/x
  3. Step 3: Cross multiply
    168,068.70x = 251,811.45 × 144,740.70
  4. Step 4: Simplify right side
    168,068.70x = 36,447,365,541.02
  5. Step 5: Solve for x
    x = 36,447,365,541.02/168,068.70
  6. Step 6: Final answer
    x = 216,859.92

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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.