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Finding the Fourth Proportional to 124,477.80, 186,660.54 and 35,711.16

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Solution

The fourth proportional to 124,477.80, 186,660.54 and 35,711.16 is: 53,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,477.80 : 186,660.54 = 35,711.16 : x
  2. Step 2: Convert to fraction form
    124,477.80/186,660.54 = 35,711.16/x
  3. Step 3: Cross multiply
    124,477.80x = 186,660.54 × 35,711.16
  4. Step 4: Simplify right side
    124,477.80x = 6,665,864,409.63
  5. Step 5: Solve for x
    x = 6,665,864,409.63/124,477.80
  6. Step 6: Final answer
    x = 53,550.63

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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.