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Finding the Fourth Proportional to 176,203.22, 243,049.84 and 104,532.50

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Solution

The fourth proportional to 176,203.22, 243,049.84 and 104,532.50 is: 144,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,203.22 : 243,049.84 = 104,532.50 : x
  2. Step 2: Convert to fraction form
    176,203.22/243,049.84 = 104,532.50/x
  3. Step 3: Cross multiply
    176,203.22x = 243,049.84 × 104,532.50
  4. Step 4: Simplify right side
    176,203.22x = 25,406,607,399.80
  5. Step 5: Solve for x
    x = 25,406,607,399.80/176,203.22
  6. Step 6: Final answer
    x = 144,189.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.