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Finding the Fourth Proportional to 94,913.70, 130,975.29 and 52,469.70

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Solution

The fourth proportional to 94,913.70, 130,975.29 and 52,469.70 is: 72,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,913.70 : 130,975.29 = 52,469.70 : x
  2. Step 2: Convert to fraction form
    94,913.70/130,975.29 = 52,469.70/x
  3. Step 3: Cross multiply
    94,913.70x = 130,975.29 × 52,469.70
  4. Step 4: Simplify right side
    94,913.70x = 6,872,234,468.11
  5. Step 5: Solve for x
    x = 6,872,234,468.11/94,913.70
  6. Step 6: Final answer
    x = 72,405.08

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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.