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Finding the Fourth Proportional to 286,532.11, 429,850.03 and 94,416.78

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Solution

The fourth proportional to 286,532.11, 429,850.03 and 94,416.78 is: 141,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,532.11 : 429,850.03 = 94,416.78 : x
  2. Step 2: Convert to fraction form
    286,532.11/429,850.03 = 94,416.78/x
  3. Step 3: Cross multiply
    286,532.11x = 429,850.03 × 94,416.78
  4. Step 4: Simplify right side
    286,532.11x = 40,585,055,715.50
  5. Step 5: Solve for x
    x = 40,585,055,715.50/286,532.11
  6. Step 6: Final answer
    x = 141,642.26

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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.