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Finding the Fourth Proportional to 154,593.60, 231,890.40 and 43,785.60

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Solution

The fourth proportional to 154,593.60, 231,890.40 and 43,785.60 is: 65,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,593.60 : 231,890.40 = 43,785.60 : x
  2. Step 2: Convert to fraction form
    154,593.60/231,890.40 = 43,785.60/x
  3. Step 3: Cross multiply
    154,593.60x = 231,890.40 × 43,785.60
  4. Step 4: Simplify right side
    154,593.60x = 10,153,460,298.24
  5. Step 5: Solve for x
    x = 10,153,460,298.24/154,593.60
  6. Step 6: Final answer
    x = 65,678.40

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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.