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Finding the Fourth Proportional to 112,560.64, 168,866.56 and 59,942.40

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Solution

The fourth proportional to 112,560.64, 168,866.56 and 59,942.40 is: 89,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,560.64 : 168,866.56 = 59,942.40 : x
  2. Step 2: Convert to fraction form
    112,560.64/168,866.56 = 59,942.40/x
  3. Step 3: Cross multiply
    112,560.64x = 168,866.56 × 59,942.40
  4. Step 4: Simplify right side
    112,560.64x = 10,122,266,886.14
  5. Step 5: Solve for x
    x = 10,122,266,886.14/112,560.64
  6. Step 6: Final answer
    x = 89,927.23

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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.