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Finding the Fourth Proportional to 94,551.32, 130,481.70 and 52,111.40

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Solution

The fourth proportional to 94,551.32, 130,481.70 and 52,111.40 is: 71,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,551.32 : 130,481.70 = 52,111.40 : x
  2. Step 2: Convert to fraction form
    94,551.32/130,481.70 = 52,111.40/x
  3. Step 3: Cross multiply
    94,551.32x = 130,481.70 × 52,111.40
  4. Step 4: Simplify right side
    94,551.32x = 6,799,584,061.38
  5. Step 5: Solve for x
    x = 6,799,584,061.38/94,551.32
  6. Step 6: Final answer
    x = 71,914.22

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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.