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Finding the Fourth Proportional to 232,859.63, 349,297.65 and 90,715.57

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Solution

The fourth proportional to 232,859.63, 349,297.65 and 90,715.57 is: 136,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,859.63 : 349,297.65 = 90,715.57 : x
  2. Step 2: Convert to fraction form
    232,859.63/349,297.65 = 90,715.57/x
  3. Step 3: Cross multiply
    232,859.63x = 349,297.65 × 90,715.57
  4. Step 4: Simplify right side
    232,859.63x = 31,686,734,546.17
  5. Step 5: Solve for x
    x = 31,686,734,546.17/232,859.63
  6. Step 6: Final answer
    x = 136,076.55

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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.