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Finding the Fourth Proportional to 75,124.16, 103,664.16 and 44,903.48

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Solution

The fourth proportional to 75,124.16, 103,664.16 and 44,903.48 is: 61,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124.16 : 103,664.16 = 44,903.48 : x
  2. Step 2: Convert to fraction form
    75,124.16/103,664.16 = 44,903.48/x
  3. Step 3: Cross multiply
    75,124.16x = 103,664.16 × 44,903.48
  4. Step 4: Simplify right side
    75,124.16x = 4,654,881,535.28
  5. Step 5: Solve for x
    x = 4,654,881,535.28/75,124.16
  6. Step 6: Final answer
    x = 61,962.51

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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.