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Finding the Fourth Proportional to 124,187.91, 186,283.60 and 35,441.42

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Solution

The fourth proportional to 124,187.91, 186,283.60 and 35,441.42 is: 53,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,187.91 : 186,283.60 = 35,441.42 : x
  2. Step 2: Convert to fraction form
    124,187.91/186,283.60 = 35,441.42/x
  3. Step 3: Cross multiply
    124,187.91x = 186,283.60 × 35,441.42
  4. Step 4: Simplify right side
    124,187.91x = 6,602,155,306.71
  5. Step 5: Solve for x
    x = 6,602,155,306.71/124,187.91
  6. Step 6: Final answer
    x = 53,162.63

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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.