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Finding the Fourth Proportional to 158,642.76, 237,880.38 and 83,803.08

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Solution

The fourth proportional to 158,642.76, 237,880.38 and 83,803.08 is: 125,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,642.76 : 237,880.38 = 83,803.08 : x
  2. Step 2: Convert to fraction form
    158,642.76/237,880.38 = 83,803.08/x
  3. Step 3: Cross multiply
    158,642.76x = 237,880.38 × 83,803.08
  4. Step 4: Simplify right side
    158,642.76x = 19,935,108,515.57
  5. Step 5: Solve for x
    x = 19,935,108,515.57/158,642.76
  6. Step 6: Final answer
    x = 125,660.37

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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.