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Finding the Fourth Proportional to 237,692.64, 328,024.32 and 130,262.88

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Solution

The fourth proportional to 237,692.64, 328,024.32 and 130,262.88 is: 179,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,692.64 : 328,024.32 = 130,262.88 : x
  2. Step 2: Convert to fraction form
    237,692.64/328,024.32 = 130,262.88/x
  3. Step 3: Cross multiply
    237,692.64x = 328,024.32 × 130,262.88
  4. Step 4: Simplify right side
    237,692.64x = 42,729,392,633.24
  5. Step 5: Solve for x
    x = 42,729,392,633.24/237,692.64
  6. Step 6: Final answer
    x = 179,767.42

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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.