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Finding the Fourth Proportional to 233,003.20, 349,658.40 and 85,259.20

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Solution

The fourth proportional to 233,003.20, 349,658.40 and 85,259.20 is: 127,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,003.20 : 349,658.40 = 85,259.20 : x
  2. Step 2: Convert to fraction form
    233,003.20/349,658.40 = 85,259.20/x
  3. Step 3: Cross multiply
    233,003.20x = 349,658.40 × 85,259.20
  4. Step 4: Simplify right side
    233,003.20x = 29,811,595,457.28
  5. Step 5: Solve for x
    x = 29,811,595,457.28/233,003.20
  6. Step 6: Final answer
    x = 127,945.00

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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.