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Finding the Fourth Proportional to 219,350.40, 329,025.60 and 94,691.40

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Solution

The fourth proportional to 219,350.40, 329,025.60 and 94,691.40 is: 142,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,350.40 : 329,025.60 = 94,691.40 : x
  2. Step 2: Convert to fraction form
    219,350.40/329,025.60 = 94,691.40/x
  3. Step 3: Cross multiply
    219,350.40x = 329,025.60 × 94,691.40
  4. Step 4: Simplify right side
    219,350.40x = 31,155,894,699.84
  5. Step 5: Solve for x
    x = 31,155,894,699.84/219,350.40
  6. Step 6: Final answer
    x = 142,037.10

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1.5x scale

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.