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Finding the Fourth Proportional to 70,988.97, 106,549.05 and 35,953.23

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Solution

The fourth proportional to 70,988.97, 106,549.05 and 35,953.23 is: 53,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,988.97 : 106,549.05 = 35,953.23 : x
  2. Step 2: Convert to fraction form
    70,988.97/106,549.05 = 35,953.23/x
  3. Step 3: Cross multiply
    70,988.97x = 106,549.05 × 35,953.23
  4. Step 4: Simplify right side
    70,988.97x = 3,830,782,500.93
  5. Step 5: Solve for x
    x = 3,830,782,500.93/70,988.97
  6. Step 6: Final answer
    x = 53,963.07

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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.