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Finding the Fourth Proportional to 176,805.36, 244,100.40 and 121,708.76

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Solution

The fourth proportional to 176,805.36, 244,100.40 and 121,708.76 is: 168,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,805.36 : 244,100.40 = 121,708.76 : x
  2. Step 2: Convert to fraction form
    176,805.36/244,100.40 = 121,708.76/x
  3. Step 3: Cross multiply
    176,805.36x = 244,100.40 × 121,708.76
  4. Step 4: Simplify right side
    176,805.36x = 29,709,155,779.00
  5. Step 5: Solve for x
    x = 29,709,155,779.00/176,805.36
  6. Step 6: Final answer
    x = 168,033.12

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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.