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Finding the Fourth Proportional to 124,261.70, 186,673.13 and 73,693.89

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Solution

The fourth proportional to 124,261.70, 186,673.13 and 73,693.89 is: 110,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,261.70 : 186,673.13 = 73,693.89 : x
  2. Step 2: Convert to fraction form
    124,261.70/186,673.13 = 73,693.89/x
  3. Step 3: Cross multiply
    124,261.70x = 186,673.13 × 73,693.89
  4. Step 4: Simplify right side
    124,261.70x = 13,756,668,739.71
  5. Step 5: Solve for x
    x = 13,756,668,739.71/124,261.70
  6. Step 6: Final answer
    x = 110,707.24

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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.