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Finding the Fourth Proportional to 176,203.97, 243,050.88 and 104,533.25

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Solution

The fourth proportional to 176,203.97, 243,050.88 and 104,533.25 is: 144,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,203.97 : 243,050.88 = 104,533.25 : x
  2. Step 2: Convert to fraction form
    176,203.97/243,050.88 = 104,533.25/x
  3. Step 3: Cross multiply
    176,203.97x = 243,050.88 × 104,533.25
  4. Step 4: Simplify right side
    176,203.97x = 25,406,898,401.76
  5. Step 5: Solve for x
    x = 25,406,898,401.76/176,203.97
  6. Step 6: Final answer
    x = 144,190.27

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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.