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Finding the Fourth Proportional to 75,043.92, 112,440.93 and 52,810.59

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Solution

The fourth proportional to 75,043.92, 112,440.93 and 52,810.59 is: 79,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,043.92 : 112,440.93 = 52,810.59 : x
  2. Step 2: Convert to fraction form
    75,043.92/112,440.93 = 52,810.59/x
  3. Step 3: Cross multiply
    75,043.92x = 112,440.93 × 52,810.59
  4. Step 4: Simplify right side
    75,043.92x = 5,938,071,853.45
  5. Step 5: Solve for x
    x = 5,938,071,853.45/75,043.92
  6. Step 6: Final answer
    x = 79,127.95

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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.