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Finding the Fourth Proportional to 154,482.60, 231,464.70 and 75,426.60

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Solution

The fourth proportional to 154,482.60, 231,464.70 and 75,426.60 is: 113,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,482.60 : 231,464.70 = 75,426.60 : x
  2. Step 2: Convert to fraction form
    154,482.60/231,464.70 = 75,426.60/x
  3. Step 3: Cross multiply
    154,482.60x = 231,464.70 × 75,426.60
  4. Step 4: Simplify right side
    154,482.60x = 17,458,595,341.02
  5. Step 5: Solve for x
    x = 17,458,595,341.02/154,482.60
  6. Step 6: Final answer
    x = 113,013.34

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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.