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Finding the Fourth Proportional to 273,031.68, 376,768 and 152,168.96

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Solution

The fourth proportional to 273,031.68, 376,768 and 152,168.96 is: 209,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,031.68 : 376,768 = 152,168.96 : x
  2. Step 2: Convert to fraction form
    273,031.68/376,768 = 152,168.96/x
  3. Step 3: Cross multiply
    273,031.68x = 376,768 × 152,168.96
  4. Step 4: Simplify right side
    273,031.68x = 57,332,394,721.28
  5. Step 5: Solve for x
    x = 57,332,394,721.28/273,031.68
  6. Step 6: Final answer
    x = 209,984.40

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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.