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Finding the Fourth Proportional to 124,615.87, 186,918.94 and 41,509.87

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Solution

The fourth proportional to 124,615.87, 186,918.94 and 41,509.87 is: 62,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,615.87 : 186,918.94 = 41,509.87 : x
  2. Step 2: Convert to fraction form
    124,615.87/186,918.94 = 41,509.87/x
  3. Step 3: Cross multiply
    124,615.87x = 186,918.94 × 41,509.87
  4. Step 4: Simplify right side
    124,615.87x = 7,758,980,484.53
  5. Step 5: Solve for x
    x = 7,758,980,484.53/124,615.87
  6. Step 6: Final answer
    x = 62,263.18

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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.