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Finding the Fourth Proportional to 154,374.35, 231,561.52 and 43,566.35

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Solution

The fourth proportional to 154,374.35, 231,561.52 and 43,566.35 is: 65,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,374.35 : 231,561.52 = 43,566.35 : x
  2. Step 2: Convert to fraction form
    154,374.35/231,561.52 = 43,566.35/x
  3. Step 3: Cross multiply
    154,374.35x = 231,561.52 × 43,566.35
  4. Step 4: Simplify right side
    154,374.35x = 10,088,288,960.13
  5. Step 5: Solve for x
    x = 10,088,288,960.13/154,374.35
  6. Step 6: Final answer
    x = 65,349.52

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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.