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Finding the Fourth Proportional to 200,337.12, 276,487.29 and 127,742.67

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Solution

The fourth proportional to 200,337.12, 276,487.29 and 127,742.67 is: 176,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,337.12 : 276,487.29 = 127,742.67 : x
  2. Step 2: Convert to fraction form
    200,337.12/276,487.29 = 127,742.67/x
  3. Step 3: Cross multiply
    200,337.12x = 276,487.29 × 127,742.67
  4. Step 4: Simplify right side
    200,337.12x = 35,319,224,645.66
  5. Step 5: Solve for x
    x = 35,319,224,645.66/200,337.12
  6. Step 6: Final answer
    x = 176,298.95

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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.