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Finding the Fourth Proportional to 78,959.07, 108,953.98 and 44,967.62

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Solution

The fourth proportional to 78,959.07, 108,953.98 and 44,967.62 is: 62,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,959.07 : 108,953.98 = 44,967.62 : x
  2. Step 2: Convert to fraction form
    78,959.07/108,953.98 = 44,967.62/x
  3. Step 3: Cross multiply
    78,959.07x = 108,953.98 × 44,967.62
  4. Step 4: Simplify right side
    78,959.07x = 4,899,401,330.09
  5. Step 5: Solve for x
    x = 4,899,401,330.09/78,959.07
  6. Step 6: Final answer
    x = 62,049.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.