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Finding the Fourth Proportional to 154,562.67, 231,859.71 and 53,347.55

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Solution

The fourth proportional to 154,562.67, 231,859.71 and 53,347.55 is: 80,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,562.67 : 231,859.71 = 53,347.55 : x
  2. Step 2: Convert to fraction form
    154,562.67/231,859.71 = 53,347.55/x
  3. Step 3: Cross multiply
    154,562.67x = 231,859.71 × 53,347.55
  4. Step 4: Simplify right side
    154,562.67x = 12,369,146,312.91
  5. Step 5: Solve for x
    x = 12,369,146,312.91/154,562.67
  6. Step 6: Final answer
    x = 80,026.74

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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.