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Finding the Fourth Proportional to 117,502.65, 176,040.14 and 104,905.53

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Solution

The fourth proportional to 117,502.65, 176,040.14 and 104,905.53 is: 157,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,502.65 : 176,040.14 = 104,905.53 : x
  2. Step 2: Convert to fraction form
    117,502.65/176,040.14 = 104,905.53/x
  3. Step 3: Cross multiply
    117,502.65x = 176,040.14 × 104,905.53
  4. Step 4: Simplify right side
    117,502.65x = 18,467,583,663.45
  5. Step 5: Solve for x
    x = 18,467,583,663.45/117,502.65
  6. Step 6: Final answer
    x = 157,167.38

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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.