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Finding the Fourth Proportional to 237,784.96, 328,143 and 130,355.92

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Solution

The fourth proportional to 237,784.96, 328,143 and 130,355.92 is: 179,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,784.96 : 328,143 = 130,355.92 : x
  2. Step 2: Convert to fraction form
    237,784.96/328,143 = 130,355.92/x
  3. Step 3: Cross multiply
    237,784.96x = 328,143 × 130,355.92
  4. Step 4: Simplify right side
    237,784.96x = 42,775,382,656.56
  5. Step 5: Solve for x
    x = 42,775,382,656.56/237,784.96
  6. Step 6: Final answer
    x = 179,891.04

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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.