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Finding the Fourth Proportional to 162,735.39, 244,009.53 and 86,740.32

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Solution

The fourth proportional to 162,735.39, 244,009.53 and 86,740.32 is: 130,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,735.39 : 244,009.53 = 86,740.32 : x
  2. Step 2: Convert to fraction form
    162,735.39/244,009.53 = 86,740.32/x
  3. Step 3: Cross multiply
    162,735.39x = 244,009.53 × 86,740.32
  4. Step 4: Simplify right side
    162,735.39x = 21,165,464,715.25
  5. Step 5: Solve for x
    x = 21,165,464,715.25/162,735.39
  6. Step 6: Final answer
    x = 130,060.61

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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.