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Finding the Fourth Proportional to 123,295.68, 170,157.02 and 69,585.38

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Solution

The fourth proportional to 123,295.68, 170,157.02 and 69,585.38 is: 96,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,295.68 : 170,157.02 = 69,585.38 : x
  2. Step 2: Convert to fraction form
    123,295.68/170,157.02 = 69,585.38/x
  3. Step 3: Cross multiply
    123,295.68x = 170,157.02 × 69,585.38
  4. Step 4: Simplify right side
    123,295.68x = 11,840,440,896.37
  5. Step 5: Solve for x
    x = 11,840,440,896.37/123,295.68
  6. Step 6: Final answer
    x = 96,032.89

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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.