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Finding the Fourth Proportional to 75,090.59, 103,614.78 and 44,869.52

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Solution

The fourth proportional to 75,090.59, 103,614.78 and 44,869.52 is: 61,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.59 : 103,614.78 = 44,869.52 : x
  2. Step 2: Convert to fraction form
    75,090.59/103,614.78 = 44,869.52/x
  3. Step 3: Cross multiply
    75,090.59x = 103,614.78 × 44,869.52
  4. Step 4: Simplify right side
    75,090.59x = 4,649,144,925.43
  5. Step 5: Solve for x
    x = 4,649,144,925.43/75,090.59
  6. Step 6: Final answer
    x = 61,913.82

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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.