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Finding the Fourth Proportional to 117,809.48, 176,749.04 and 67,925.36

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Solution

The fourth proportional to 117,809.48, 176,749.04 and 67,925.36 is: 101,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,809.48 : 176,749.04 = 67,925.36 : x
  2. Step 2: Convert to fraction form
    117,809.48/176,749.04 = 67,925.36/x
  3. Step 3: Cross multiply
    117,809.48x = 176,749.04 × 67,925.36
  4. Step 4: Simplify right side
    117,809.48x = 12,005,742,171.65
  5. Step 5: Solve for x
    x = 12,005,742,171.65/117,809.48
  6. Step 6: Final answer
    x = 101,908.12

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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.