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Finding the Fourth Proportional to 176,190, 243,061.47 and 104,529.30

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Solution

The fourth proportional to 176,190, 243,061.47 and 104,529.30 is: 144,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,190 : 243,061.47 = 104,529.30 : x
  2. Step 2: Convert to fraction form
    176,190/243,061.47 = 104,529.30/x
  3. Step 3: Cross multiply
    176,190x = 243,061.47 × 104,529.30
  4. Step 4: Simplify right side
    176,190x = 25,407,045,316.07
  5. Step 5: Solve for x
    x = 25,407,045,316.07/176,190
  6. Step 6: Final answer
    x = 144,202.54

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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.