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Finding the Fourth Proportional to 99,456.76, 149,186.76 and 94,409.92

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Solution

The fourth proportional to 99,456.76, 149,186.76 and 94,409.92 is: 141,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,456.76 : 149,186.76 = 94,409.92 : x
  2. Step 2: Convert to fraction form
    99,456.76/149,186.76 = 94,409.92/x
  3. Step 3: Cross multiply
    99,456.76x = 149,186.76 × 94,409.92
  4. Step 4: Simplify right side
    99,456.76x = 14,084,710,076.66
  5. Step 5: Solve for x
    x = 14,084,710,076.66/99,456.76
  6. Step 6: Final answer
    x = 141,616.42

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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.