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Finding the Fourth Proportional to 112,034.53, 154,606.89 and 61,733.53

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Solution

The fourth proportional to 112,034.53, 154,606.89 and 61,733.53 is: 85,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.53 : 154,606.89 = 61,733.53 : x
  2. Step 2: Convert to fraction form
    112,034.53/154,606.89 = 61,733.53/x
  3. Step 3: Cross multiply
    112,034.53x = 154,606.89 × 61,733.53
  4. Step 4: Simplify right side
    112,034.53x = 9,544,429,082.02
  5. Step 5: Solve for x
    x = 9,544,429,082.02/112,034.53
  6. Step 6: Final answer
    x = 85,191.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.