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Finding the Fourth Proportional to 77,407.93, 116,109.46 and 22,003.93

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Solution

The fourth proportional to 77,407.93, 116,109.46 and 22,003.93 is: 33,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,407.93 : 116,109.46 = 22,003.93 : x
  2. Step 2: Convert to fraction form
    77,407.93/116,109.46 = 22,003.93/x
  3. Step 3: Cross multiply
    77,407.93x = 116,109.46 × 22,003.93
  4. Step 4: Simplify right side
    77,407.93x = 2,554,864,430.18
  5. Step 5: Solve for x
    x = 2,554,864,430.18/77,407.93
  6. Step 6: Final answer
    x = 33,005.20

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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.