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Finding the Fourth Proportional to 215,442.76, 297,320.82 and 119,955.52

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Solution

The fourth proportional to 215,442.76, 297,320.82 and 119,955.52 is: 165,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,442.76 : 297,320.82 = 119,955.52 : x
  2. Step 2: Convert to fraction form
    215,442.76/297,320.82 = 119,955.52/x
  3. Step 3: Cross multiply
    215,442.76x = 297,320.82 × 119,955.52
  4. Step 4: Simplify right side
    215,442.76x = 35,665,273,569.93
  5. Step 5: Solve for x
    x = 35,665,273,569.93/215,442.76
  6. Step 6: Final answer
    x = 165,544.08

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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.