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Finding the Fourth Proportional to 144,529.60, 216,794.40 and 127,908.40

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Solution

The fourth proportional to 144,529.60, 216,794.40 and 127,908.40 is: 191,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,529.60 : 216,794.40 = 127,908.40 : x
  2. Step 2: Convert to fraction form
    144,529.60/216,794.40 = 127,908.40/x
  3. Step 3: Cross multiply
    144,529.60x = 216,794.40 × 127,908.40
  4. Step 4: Simplify right side
    144,529.60x = 27,729,824,832.96
  5. Step 5: Solve for x
    x = 27,729,824,832.96/144,529.60
  6. Step 6: Final answer
    x = 191,862.60

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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.