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Finding the Fourth Proportional to 124,586.63, 186,904.56 and 45,701.54

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Solution

The fourth proportional to 124,586.63, 186,904.56 and 45,701.54 is: 68,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,586.63 : 186,904.56 = 45,701.54 : x
  2. Step 2: Convert to fraction form
    124,586.63/186,904.56 = 45,701.54/x
  3. Step 3: Cross multiply
    124,586.63x = 186,904.56 × 45,701.54
  4. Step 4: Simplify right side
    124,586.63x = 8,541,826,225.02
  5. Step 5: Solve for x
    x = 8,541,826,225.02/124,586.63
  6. Step 6: Final answer
    x = 68,561.34

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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.