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Finding the Fourth Proportional to 172,319.64, 237,733.48 and 127,106.24

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Solution

The fourth proportional to 172,319.64, 237,733.48 and 127,106.24 is: 175,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,319.64 : 237,733.48 = 127,106.24 : x
  2. Step 2: Convert to fraction form
    172,319.64/237,733.48 = 127,106.24/x
  3. Step 3: Cross multiply
    172,319.64x = 237,733.48 × 127,106.24
  4. Step 4: Simplify right side
    172,319.64x = 30,217,408,764.92
  5. Step 5: Solve for x
    x = 30,217,408,764.92/172,319.64
  6. Step 6: Final answer
    x = 175,356.73

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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.