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Finding the Fourth Proportional to 79,717.52, 110,015.16 and 43,907.52

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Solution

The fourth proportional to 79,717.52, 110,015.16 and 43,907.52 is: 60,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.52 : 110,015.16 = 43,907.52 : x
  2. Step 2: Convert to fraction form
    79,717.52/110,015.16 = 43,907.52/x
  3. Step 3: Cross multiply
    79,717.52x = 110,015.16 × 43,907.52
  4. Step 4: Simplify right side
    79,717.52x = 4,830,492,838.00
  5. Step 5: Solve for x
    x = 4,830,492,838.00/79,717.52
  6. Step 6: Final answer
    x = 60,595.13

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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.