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Finding the Fourth Proportional to 240,018.80, 331,224 and 132,595.80

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Solution

The fourth proportional to 240,018.80, 331,224 and 132,595.80 is: 182,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,018.80 : 331,224 = 132,595.80 : x
  2. Step 2: Convert to fraction form
    240,018.80/331,224 = 132,595.80/x
  3. Step 3: Cross multiply
    240,018.80x = 331,224 × 132,595.80
  4. Step 4: Simplify right side
    240,018.80x = 43,918,911,259.20
  5. Step 5: Solve for x
    x = 43,918,911,259.20/240,018.80
  6. Step 6: Final answer
    x = 182,981.13

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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.