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Finding the Fourth Proportional to 83,178.56, 114,798.12 and 52,954.22

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Solution

The fourth proportional to 83,178.56, 114,798.12 and 52,954.22 is: 73,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.56 : 114,798.12 = 52,954.22 : x
  2. Step 2: Convert to fraction form
    83,178.56/114,798.12 = 52,954.22/x
  3. Step 3: Cross multiply
    83,178.56x = 114,798.12 × 52,954.22
  4. Step 4: Simplify right side
    83,178.56x = 6,079,044,902.07
  5. Step 5: Solve for x
    x = 6,079,044,902.07/83,178.56
  6. Step 6: Final answer
    x = 73,084.28

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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.