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Finding the Fourth Proportional to 144,670.80, 217,006.20 and 94,904.40

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Solution

The fourth proportional to 144,670.80, 217,006.20 and 94,904.40 is: 142,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,670.80 : 217,006.20 = 94,904.40 : x
  2. Step 2: Convert to fraction form
    144,670.80/217,006.20 = 94,904.40/x
  3. Step 3: Cross multiply
    144,670.80x = 217,006.20 × 94,904.40
  4. Step 4: Simplify right side
    144,670.80x = 20,594,843,207.28
  5. Step 5: Solve for x
    x = 20,594,843,207.28/144,670.80
  6. Step 6: Final answer
    x = 142,356.60

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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.