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Finding the Fourth Proportional to 124,483.80, 186,669.54 and 35,717.16

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Solution

The fourth proportional to 124,483.80, 186,669.54 and 35,717.16 is: 53,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,483.80 : 186,669.54 = 35,717.16 : x
  2. Step 2: Convert to fraction form
    124,483.80/186,669.54 = 35,717.16/x
  3. Step 3: Cross multiply
    124,483.80x = 186,669.54 × 35,717.16
  4. Step 4: Simplify right side
    124,483.80x = 6,667,305,827.31
  5. Step 5: Solve for x
    x = 6,667,305,827.31/124,483.80
  6. Step 6: Final answer
    x = 53,559.63

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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.