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Finding the Fourth Proportional to 233,139.75, 349,709.59 and 64,660.07

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Solution

The fourth proportional to 233,139.75, 349,709.59 and 64,660.07 is: 96,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,139.75 : 349,709.59 = 64,660.07 : x
  2. Step 2: Convert to fraction form
    233,139.75/349,709.59 = 64,660.07/x
  3. Step 3: Cross multiply
    233,139.75x = 349,709.59 × 64,660.07
  4. Step 4: Simplify right side
    233,139.75x = 22,612,247,524.17
  5. Step 5: Solve for x
    x = 22,612,247,524.17/233,139.75
  6. Step 6: Final answer
    x = 96,990.10

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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.