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Finding the Fourth Proportional to 113,294.72, 169,942.06 and 53,950.48

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Solution

The fourth proportional to 113,294.72, 169,942.06 and 53,950.48 is: 80,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,294.72 : 169,942.06 = 53,950.48 : x
  2. Step 2: Convert to fraction form
    113,294.72/169,942.06 = 53,950.48/x
  3. Step 3: Cross multiply
    113,294.72x = 169,942.06 × 53,950.48
  4. Step 4: Simplify right side
    113,294.72x = 9,168,455,709.19
  5. Step 5: Solve for x
    x = 9,168,455,709.19/113,294.72
  6. Step 6: Final answer
    x = 80,925.71

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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.