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Finding the Fourth Proportional to 94,176.91, 129,963.54 and 51,156.01

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Solution

The fourth proportional to 94,176.91, 129,963.54 and 51,156.01 is: 70,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,176.91 : 129,963.54 = 51,156.01 : x
  2. Step 2: Convert to fraction form
    94,176.91/129,963.54 = 51,156.01/x
  3. Step 3: Cross multiply
    94,176.91x = 129,963.54 × 51,156.01
  4. Step 4: Simplify right side
    94,176.91x = 6,648,416,151.88
  5. Step 5: Solve for x
    x = 6,648,416,151.88/94,176.91
  6. Step 6: Final answer
    x = 70,594.97

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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.