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Finding the Fourth Proportional to 253,703.63, 350,122.55 and 140,526.38

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Solution

The fourth proportional to 253,703.63, 350,122.55 and 140,526.38 is: 193,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,703.63 : 350,122.55 = 140,526.38 : x
  2. Step 2: Convert to fraction form
    253,703.63/350,122.55 = 140,526.38/x
  3. Step 3: Cross multiply
    253,703.63x = 350,122.55 × 140,526.38
  4. Step 4: Simplify right side
    253,703.63x = 49,201,454,507.87
  5. Step 5: Solve for x
    x = 49,201,454,507.87/253,703.63
  6. Step 6: Final answer
    x = 193,932.80

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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.