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Finding the Fourth Proportional to 231,048.40, 346,621.20 and 97,860.10

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Solution

The fourth proportional to 231,048.40, 346,621.20 and 97,860.10 is: 146,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,048.40 : 346,621.20 = 97,860.10 : x
  2. Step 2: Convert to fraction form
    231,048.40/346,621.20 = 97,860.10/x
  3. Step 3: Cross multiply
    231,048.40x = 346,621.20 × 97,860.10
  4. Step 4: Simplify right side
    231,048.40x = 33,920,385,294.12
  5. Step 5: Solve for x
    x = 33,920,385,294.12/231,048.40
  6. Step 6: Final answer
    x = 146,810.73

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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.