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Finding the Fourth Proportional to 75,044, 103,570.44 and 43,207.76

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Solution

The fourth proportional to 75,044, 103,570.44 and 43,207.76 is: 59,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,044 : 103,570.44 = 43,207.76 : x
  2. Step 2: Convert to fraction form
    75,044/103,570.44 = 43,207.76/x
  3. Step 3: Cross multiply
    75,044x = 103,570.44 × 43,207.76
  4. Step 4: Simplify right side
    75,044x = 4,475,046,714.61
  5. Step 5: Solve for x
    x = 4,475,046,714.61/75,044
  6. Step 6: Final answer
    x = 59,632.31

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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.