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Finding the Fourth Proportional to 155,338.30, 232,679.40 and 155,338.30

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Solution

The fourth proportional to 155,338.30, 232,679.40 and 155,338.30 is: 232,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,338.30 : 232,679.40 = 155,338.30 : x
  2. Step 2: Convert to fraction form
    155,338.30/232,679.40 = 155,338.30/x
  3. Step 3: Cross multiply
    155,338.30x = 232,679.40 × 155,338.30
  4. Step 4: Simplify right side
    155,338.30x = 36,144,022,441.02
  5. Step 5: Solve for x
    x = 36,144,022,441.02/155,338.30
  6. Step 6: Final answer
    x = 232,679.40

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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.