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Finding the Fourth Proportional to 114,956.40, 172,123.02 and 59,435.76

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Solution

The fourth proportional to 114,956.40, 172,123.02 and 59,435.76 is: 88,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,956.40 : 172,123.02 = 59,435.76 : x
  2. Step 2: Convert to fraction form
    114,956.40/172,123.02 = 59,435.76/x
  3. Step 3: Cross multiply
    114,956.40x = 172,123.02 × 59,435.76
  4. Step 4: Simplify right side
    114,956.40x = 10,230,262,507.20
  5. Step 5: Solve for x
    x = 10,230,262,507.20/114,956.40
  6. Step 6: Final answer
    x = 88,992.54

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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.