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Finding the Fourth Proportional to 94,883.82, 130,915.95 and 54,038.70

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Solution

The fourth proportional to 94,883.82, 130,915.95 and 54,038.70 is: 74,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,883.82 : 130,915.95 = 54,038.70 : x
  2. Step 2: Convert to fraction form
    94,883.82/130,915.95 = 54,038.70/x
  3. Step 3: Cross multiply
    94,883.82x = 130,915.95 × 54,038.70
  4. Step 4: Simplify right side
    94,883.82x = 7,074,527,747.27
  5. Step 5: Solve for x
    x = 7,074,527,747.27/94,883.82
  6. Step 6: Final answer
    x = 74,559.90

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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.