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Finding the Fourth Proportional to 176,703.32, 243,770.28 and 105,042.62

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Solution

The fourth proportional to 176,703.32, 243,770.28 and 105,042.62 is: 144,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,703.32 : 243,770.28 = 105,042.62 : x
  2. Step 2: Convert to fraction form
    176,703.32/243,770.28 = 105,042.62/x
  3. Step 3: Cross multiply
    176,703.32x = 243,770.28 × 105,042.62
  4. Step 4: Simplify right side
    176,703.32x = 25,606,268,889.33
  5. Step 5: Solve for x
    x = 25,606,268,889.33/176,703.32
  6. Step 6: Final answer
    x = 144,911.08

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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.