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Finding the Fourth Proportional to 94,863.84, 130,925.84 and 56,625

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Solution

The fourth proportional to 94,863.84, 130,925.84 and 56,625 is: 78,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,863.84 : 130,925.84 = 56,625 : x
  2. Step 2: Convert to fraction form
    94,863.84/130,925.84 = 56,625/x
  3. Step 3: Cross multiply
    94,863.84x = 130,925.84 × 56,625
  4. Step 4: Simplify right side
    94,863.84x = 7,413,675,406.88
  5. Step 5: Solve for x
    x = 7,413,675,406.88/94,863.84
  6. Step 6: Final answer
    x = 78,150.70

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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.