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Finding the Fourth Proportional to 666,156.68, 999,225.77 and 160,713.39

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Solution

The fourth proportional to 666,156.68, 999,225.77 and 160,713.39 is: 241,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,156.68 : 999,225.77 = 160,713.39 : x
  2. Step 2: Convert to fraction form
    666,156.68/999,225.77 = 160,713.39/x
  3. Step 3: Cross multiply
    666,156.68x = 999,225.77 × 160,713.39
  4. Step 4: Simplify right side
    666,156.68x = 160,588,960,068.49
  5. Step 5: Solve for x
    x = 160,588,960,068.49/666,156.68
  6. Step 6: Final answer
    x = 241,067.85

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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.