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Finding the Fourth Proportional to 232,991.80, 349,561.06 and 83,228.80

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Solution

The fourth proportional to 232,991.80, 349,561.06 and 83,228.80 is: 124,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,991.80 : 349,561.06 = 83,228.80 : x
  2. Step 2: Convert to fraction form
    232,991.80/349,561.06 = 83,228.80/x
  3. Step 3: Cross multiply
    232,991.80x = 349,561.06 × 83,228.80
  4. Step 4: Simplify right side
    232,991.80x = 29,093,547,550.53
  5. Step 5: Solve for x
    x = 29,093,547,550.53/232,991.80
  6. Step 6: Final answer
    x = 124,869.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.