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Finding the Fourth Proportional to 94,725.94, 141,978.19 and 52,585.87

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Solution

The fourth proportional to 94,725.94, 141,978.19 and 52,585.87 is: 78,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,725.94 : 141,978.19 = 52,585.87 : x
  2. Step 2: Convert to fraction form
    94,725.94/141,978.19 = 52,585.87/x
  3. Step 3: Cross multiply
    94,725.94x = 141,978.19 × 52,585.87
  4. Step 4: Simplify right side
    94,725.94x = 7,466,046,155.77
  5. Step 5: Solve for x
    x = 7,466,046,155.77/94,725.94
  6. Step 6: Final answer
    x = 78,817.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.