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Finding the Fourth Proportional to 146,115.60, 218,712.60 and 141,507.60

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Solution

The fourth proportional to 146,115.60, 218,712.60 and 141,507.60 is: 211,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,115.60 : 218,712.60 = 141,507.60 : x
  2. Step 2: Convert to fraction form
    146,115.60/218,712.60 = 141,507.60/x
  3. Step 3: Cross multiply
    146,115.60x = 218,712.60 × 141,507.60
  4. Step 4: Simplify right side
    146,115.60x = 30,949,495,115.76
  5. Step 5: Solve for x
    x = 30,949,495,115.76/146,115.60
  6. Step 6: Final answer
    x = 211,815.13

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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.