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Finding the Fourth Proportional to 124,440.35, 186,661.20 and 30,946.10

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Solution

The fourth proportional to 124,440.35, 186,661.20 and 30,946.10 is: 46,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,440.35 : 186,661.20 = 30,946.10 : x
  2. Step 2: Convert to fraction form
    124,440.35/186,661.20 = 30,946.10/x
  3. Step 3: Cross multiply
    124,440.35x = 186,661.20 × 30,946.10
  4. Step 4: Simplify right side
    124,440.35x = 5,776,436,161.32
  5. Step 5: Solve for x
    x = 5,776,436,161.32/124,440.35
  6. Step 6: Final answer
    x = 46,419.32

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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.