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Finding the Fourth Proportional to 253,803.58, 350,248.94 and 140,626.33

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Solution

The fourth proportional to 253,803.58, 350,248.94 and 140,626.33 is: 194,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,803.58 : 350,248.94 = 140,626.33 : x
  2. Step 2: Convert to fraction form
    253,803.58/350,248.94 = 140,626.33/x
  3. Step 3: Cross multiply
    253,803.58x = 350,248.94 × 140,626.33
  4. Step 4: Simplify right side
    253,803.58x = 49,254,221,967.18
  5. Step 5: Solve for x
    x = 49,254,221,967.18/253,803.58
  6. Step 6: Final answer
    x = 194,064.33

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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.