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Finding the Fourth Proportional to 112,051.99, 154,627.84 and 61,063.69

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Solution

The fourth proportional to 112,051.99, 154,627.84 and 61,063.69 is: 84,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,051.99 : 154,627.84 = 61,063.69 : x
  2. Step 2: Convert to fraction form
    112,051.99/154,627.84 = 61,063.69/x
  3. Step 3: Cross multiply
    112,051.99x = 154,627.84 × 61,063.69
  4. Step 4: Simplify right side
    112,051.99x = 9,442,146,123.33
  5. Step 5: Solve for x
    x = 9,442,146,123.33/112,051.99
  6. Step 6: Final answer
    x = 84,265.76

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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.