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Finding the Fourth Proportional to 158,292.36, 237,416.54 and 39,956.49

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Solution

The fourth proportional to 158,292.36, 237,416.54 and 39,956.49 is: 59,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,292.36 : 237,416.54 = 39,956.49 : x
  2. Step 2: Convert to fraction form
    158,292.36/237,416.54 = 39,956.49/x
  3. Step 3: Cross multiply
    158,292.36x = 237,416.54 × 39,956.49
  4. Step 4: Simplify right side
    158,292.36x = 9,486,331,406.56
  5. Step 5: Solve for x
    x = 9,486,331,406.56/158,292.36
  6. Step 6: Final answer
    x = 59,929.18

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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.