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Finding the Fourth Proportional to 255,603.74, 352,734.62 and 148,237.56

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Solution

The fourth proportional to 255,603.74, 352,734.62 and 148,237.56 is: 204,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,603.74 : 352,734.62 = 148,237.56 : x
  2. Step 2: Convert to fraction form
    255,603.74/352,734.62 = 148,237.56/x
  3. Step 3: Cross multiply
    255,603.74x = 352,734.62 × 148,237.56
  4. Step 4: Simplify right side
    255,603.74x = 52,288,518,655.14
  5. Step 5: Solve for x
    x = 52,288,518,655.14/255,603.74
  6. Step 6: Final answer
    x = 204,568.68

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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.