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Finding the Fourth Proportional to 233,812.48, 350,810.88 and 86,080

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Solution

The fourth proportional to 233,812.48, 350,810.88 and 86,080 is: 129,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,812.48 : 350,810.88 = 86,080 : x
  2. Step 2: Convert to fraction form
    233,812.48/350,810.88 = 86,080/x
  3. Step 3: Cross multiply
    233,812.48x = 350,810.88 × 86,080
  4. Step 4: Simplify right side
    233,812.48x = 30,197,800,550.40
  5. Step 5: Solve for x
    x = 30,197,800,550.40/233,812.48
  6. Step 6: Final answer
    x = 129,153.93

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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.