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Finding the Fourth Proportional to 79,706.16, 110,024.32 and 52,857.66

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Solution

The fourth proportional to 79,706.16, 110,024.32 and 52,857.66 is: 72,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706.16 : 110,024.32 = 52,857.66 : x
  2. Step 2: Convert to fraction form
    79,706.16/110,024.32 = 52,857.66/x
  3. Step 3: Cross multiply
    79,706.16x = 110,024.32 × 52,857.66
  4. Step 4: Simplify right side
    79,706.16x = 5,815,628,098.29
  5. Step 5: Solve for x
    x = 5,815,628,098.29/79,706.16
  6. Step 6: Final answer
    x = 72,963.35

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1.5x scale

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.