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Finding the Fourth Proportional to 229,047.52, 343,669.20 and 118,317.28

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Solution

The fourth proportional to 229,047.52, 343,669.20 and 118,317.28 is: 177,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,047.52 : 343,669.20 = 118,317.28 : x
  2. Step 2: Convert to fraction form
    229,047.52/343,669.20 = 118,317.28/x
  3. Step 3: Cross multiply
    229,047.52x = 343,669.20 × 118,317.28
  4. Step 4: Simplify right side
    229,047.52x = 40,662,004,963.78
  5. Step 5: Solve for x
    x = 40,662,004,963.78/229,047.52
  6. Step 6: Final answer
    x = 177,526.50

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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.