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Finding the Fourth Proportional to 159,307.40, 239,002.11 and 46,983.08

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Solution

The fourth proportional to 159,307.40, 239,002.11 and 46,983.08 is: 70,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,307.40 : 239,002.11 = 46,983.08 : x
  2. Step 2: Convert to fraction form
    159,307.40/239,002.11 = 46,983.08/x
  3. Step 3: Cross multiply
    159,307.40x = 239,002.11 × 46,983.08
  4. Step 4: Simplify right side
    159,307.40x = 11,229,055,851.80
  5. Step 5: Solve for x
    x = 11,229,055,851.80/159,307.40
  6. Step 6: Final answer
    x = 70,486.72

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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.