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Finding the Fourth Proportional to 229,064.90, 343,699.40 and 88,834.46

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Solution

The fourth proportional to 229,064.90, 343,699.40 and 88,834.46 is: 133,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,064.90 : 343,699.40 = 88,834.46 : x
  2. Step 2: Convert to fraction form
    229,064.90/343,699.40 = 88,834.46/x
  3. Step 3: Cross multiply
    229,064.90x = 343,699.40 × 88,834.46
  4. Step 4: Simplify right side
    229,064.90x = 30,532,349,104.91
  5. Step 5: Solve for x
    x = 30,532,349,104.91/229,064.90
  6. Step 6: Final answer
    x = 133,291.26

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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.