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Finding the Fourth Proportional to 75,044, 103,562.66 and 45,237.92

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Solution

The fourth proportional to 75,044, 103,562.66 and 45,237.92 is: 62,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,044 : 103,562.66 = 45,237.92 : x
  2. Step 2: Convert to fraction form
    75,044/103,562.66 = 45,237.92/x
  3. Step 3: Cross multiply
    75,044x = 103,562.66 × 45,237.92
  4. Step 4: Simplify right side
    75,044x = 4,684,959,328.07
  5. Step 5: Solve for x
    x = 4,684,959,328.07/75,044
  6. Step 6: Final answer
    x = 62,429.50

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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.