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Finding the Fourth Proportional to 73,332.90, 110,051.80 and 31,242.46

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Solution

The fourth proportional to 73,332.90, 110,051.80 and 31,242.46 is: 46,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,332.90 : 110,051.80 = 31,242.46 : x
  2. Step 2: Convert to fraction form
    73,332.90/110,051.80 = 31,242.46/x
  3. Step 3: Cross multiply
    73,332.90x = 110,051.80 × 31,242.46
  4. Step 4: Simplify right side
    73,332.90x = 3,438,288,959.43
  5. Step 5: Solve for x
    x = 3,438,288,959.43/73,332.90
  6. Step 6: Final answer
    x = 46,886.04

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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.