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Finding the Fourth Proportional to 165,303.39, 247,971.48 and 65,532.45

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Solution

The fourth proportional to 165,303.39, 247,971.48 and 65,532.45 is: 98,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,303.39 : 247,971.48 = 65,532.45 : x
  2. Step 2: Convert to fraction form
    165,303.39/247,971.48 = 65,532.45/x
  3. Step 3: Cross multiply
    165,303.39x = 247,971.48 × 65,532.45
  4. Step 4: Simplify right side
    165,303.39x = 16,250,178,614.53
  5. Step 5: Solve for x
    x = 16,250,178,614.53/165,303.39
  6. Step 6: Final answer
    x = 98,305.17

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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.