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Finding the Fourth Proportional to 233,079.36, 349,621.07 and 75,307.83

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Solution

The fourth proportional to 233,079.36, 349,621.07 and 75,307.83 is: 112,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,079.36 : 349,621.07 = 75,307.83 : x
  2. Step 2: Convert to fraction form
    233,079.36/349,621.07 = 75,307.83/x
  3. Step 3: Cross multiply
    233,079.36x = 349,621.07 × 75,307.83
  4. Step 4: Simplify right side
    233,079.36x = 26,329,203,727.44
  5. Step 5: Solve for x
    x = 26,329,203,727.44/233,079.36
  6. Step 6: Final answer
    x = 112,962.40

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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.