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Finding the Fourth Proportional to 154,064.40, 230,659.20 and 154,064.40

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Solution

The fourth proportional to 154,064.40, 230,659.20 and 154,064.40 is: 230,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,064.40 : 230,659.20 = 154,064.40 : x
  2. Step 2: Convert to fraction form
    154,064.40/230,659.20 = 154,064.40/x
  3. Step 3: Cross multiply
    154,064.40x = 230,659.20 × 154,064.40
  4. Step 4: Simplify right side
    154,064.40x = 35,536,371,252.48
  5. Step 5: Solve for x
    x = 35,536,371,252.48/154,064.40
  6. Step 6: Final answer
    x = 230,659.20

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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.