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Finding the Fourth Proportional to 237,798.32, 328,165.32 and 142,309.04

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Solution

The fourth proportional to 237,798.32, 328,165.32 and 142,309.04 is: 196,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,798.32 : 328,165.32 = 142,309.04 : x
  2. Step 2: Convert to fraction form
    237,798.32/328,165.32 = 142,309.04/x
  3. Step 3: Cross multiply
    237,798.32x = 328,165.32 × 142,309.04
  4. Step 4: Simplify right side
    237,798.32x = 46,700,891,650.49
  5. Step 5: Solve for x
    x = 46,700,891,650.49/237,798.32
  6. Step 6: Final answer
    x = 196,388.65

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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.