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Finding the Fourth Proportional to 250,347.40, 375,037.20 and 139,202.44

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Solution

The fourth proportional to 250,347.40, 375,037.20 and 139,202.44 is: 208,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,347.40 : 375,037.20 = 139,202.44 : x
  2. Step 2: Convert to fraction form
    250,347.40/375,037.20 = 139,202.44/x
  3. Step 3: Cross multiply
    250,347.40x = 375,037.20 × 139,202.44
  4. Step 4: Simplify right side
    250,347.40x = 52,206,093,330.77
  5. Step 5: Solve for x
    x = 52,206,093,330.77/250,347.40
  6. Step 6: Final answer
    x = 208,534.59

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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.