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Finding the Fourth Proportional to 117,925.65, 176,890.23 and 65,667.29

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Solution

The fourth proportional to 117,925.65, 176,890.23 and 65,667.29 is: 98,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,925.65 : 176,890.23 = 65,667.29 : x
  2. Step 2: Convert to fraction form
    117,925.65/176,890.23 = 65,667.29/x
  3. Step 3: Cross multiply
    117,925.65x = 176,890.23 × 65,667.29
  4. Step 4: Simplify right side
    117,925.65x = 11,615,901,147.13
  5. Step 5: Solve for x
    x = 11,615,901,147.13/117,925.65
  6. Step 6: Final answer
    x = 98,501.90

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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.