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Finding the Fourth Proportional to 140,818.77, 211,224.51 and 47,324.52

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Solution

The fourth proportional to 140,818.77, 211,224.51 and 47,324.52 is: 70,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,818.77 : 211,224.51 = 47,324.52 : x
  2. Step 2: Convert to fraction form
    140,818.77/211,224.51 = 47,324.52/x
  3. Step 3: Cross multiply
    140,818.77x = 211,224.51 × 47,324.52
  4. Step 4: Simplify right side
    140,818.77x = 9,996,098,547.99
  5. Step 5: Solve for x
    x = 9,996,098,547.99/140,818.77
  6. Step 6: Final answer
    x = 70,985.56

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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.