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Finding the Fourth Proportional to 232,755.40, 349,133.10 and 74,999.80

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Solution

The fourth proportional to 232,755.40, 349,133.10 and 74,999.80 is: 112,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,755.40 : 349,133.10 = 74,999.80 : x
  2. Step 2: Convert to fraction form
    232,755.40/349,133.10 = 74,999.80/x
  3. Step 3: Cross multiply
    232,755.40x = 349,133.10 × 74,999.80
  4. Step 4: Simplify right side
    232,755.40x = 26,184,912,673.38
  5. Step 5: Solve for x
    x = 26,184,912,673.38/232,755.40
  6. Step 6: Final answer
    x = 112,499.70

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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.