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Finding the Fourth Proportional to 323,675.70, 485,510.91 and 99,035.22

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Solution

The fourth proportional to 323,675.70, 485,510.91 and 99,035.22 is: 148,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,675.70 : 485,510.91 = 99,035.22 : x
  2. Step 2: Convert to fraction form
    323,675.70/485,510.91 = 99,035.22/x
  3. Step 3: Cross multiply
    323,675.70x = 485,510.91 × 99,035.22
  4. Step 4: Simplify right side
    323,675.70x = 48,082,679,784.25
  5. Step 5: Solve for x
    x = 48,082,679,784.25/323,675.70
  6. Step 6: Final answer
    x = 148,552.02

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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.