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Finding the Fourth Proportional to 94,492.78, 130,400.39 and 52,051.21

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Solution

The fourth proportional to 94,492.78, 130,400.39 and 52,051.21 is: 71,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,492.78 : 130,400.39 = 52,051.21 : x
  2. Step 2: Convert to fraction form
    94,492.78/130,400.39 = 52,051.21/x
  3. Step 3: Cross multiply
    94,492.78x = 130,400.39 × 52,051.21
  4. Step 4: Simplify right side
    94,492.78x = 6,787,498,083.97
  5. Step 5: Solve for x
    x = 6,787,498,083.97/94,492.78
  6. Step 6: Final answer
    x = 71,830.86

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1.5x scale

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.