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Finding the Fourth Proportional to 155,595.70, 232,804.68 and 92,449.72

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Solution

The fourth proportional to 155,595.70, 232,804.68 and 92,449.72 is: 138,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,595.70 : 232,804.68 = 92,449.72 : x
  2. Step 2: Convert to fraction form
    155,595.70/232,804.68 = 92,449.72/x
  3. Step 3: Cross multiply
    155,595.70x = 232,804.68 × 92,449.72
  4. Step 4: Simplify right side
    155,595.70x = 21,522,727,480.69
  5. Step 5: Solve for x
    x = 21,522,727,480.69/155,595.70
  6. Step 6: Final answer
    x = 138,324.69

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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.