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Finding the Fourth Proportional to 154,616.32, 232,011.96 and 65,860.56

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Solution

The fourth proportional to 154,616.32, 232,011.96 and 65,860.56 is: 98,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,616.32 : 232,011.96 = 65,860.56 : x
  2. Step 2: Convert to fraction form
    154,616.32/232,011.96 = 65,860.56/x
  3. Step 3: Cross multiply
    154,616.32x = 232,011.96 × 65,860.56
  4. Step 4: Simplify right side
    154,616.32x = 15,280,437,612.30
  5. Step 5: Solve for x
    x = 15,280,437,612.30/154,616.32
  6. Step 6: Final answer
    x = 98,828.10

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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.