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Finding the Fourth Proportional to 259,967.92, 358,708.80 and 151,077.16

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Solution

The fourth proportional to 259,967.92, 358,708.80 and 151,077.16 is: 208,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,967.92 : 358,708.80 = 151,077.16 : x
  2. Step 2: Convert to fraction form
    259,967.92/358,708.80 = 151,077.16/x
  3. Step 3: Cross multiply
    259,967.92x = 358,708.80 × 151,077.16
  4. Step 4: Simplify right side
    259,967.92x = 54,192,706,771.01
  5. Step 5: Solve for x
    x = 54,192,706,771.01/259,967.92
  6. Step 6: Final answer
    x = 208,459.21

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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.