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Finding the Fourth Proportional to 144,963.60, 217,445.40 and 144,963.60

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Solution

The fourth proportional to 144,963.60, 217,445.40 and 144,963.60 is: 217,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,963.60 : 217,445.40 = 144,963.60 : x
  2. Step 2: Convert to fraction form
    144,963.60/217,445.40 = 144,963.60/x
  3. Step 3: Cross multiply
    144,963.60x = 217,445.40 × 144,963.60
  4. Step 4: Simplify right side
    144,963.60x = 31,521,667,987.44
  5. Step 5: Solve for x
    x = 31,521,667,987.44/144,963.60
  6. Step 6: Final answer
    x = 217,445.40

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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.