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Finding the Fourth Proportional to 232,357.95, 320,685.89 and 130,389.44

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Solution

The fourth proportional to 232,357.95, 320,685.89 and 130,389.44 is: 179,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,357.95 : 320,685.89 = 130,389.44 : x
  2. Step 2: Convert to fraction form
    232,357.95/320,685.89 = 130,389.44/x
  3. Step 3: Cross multiply
    232,357.95x = 320,685.89 × 130,389.44
  4. Step 4: Simplify right side
    232,357.95x = 41,814,053,613.00
  5. Step 5: Solve for x
    x = 41,814,053,613.00/232,357.95
  6. Step 6: Final answer
    x = 179,955.34

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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.