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Finding the Fourth Proportional to 158,258.95, 237,339.21 and 53,053.31

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Solution

The fourth proportional to 158,258.95, 237,339.21 and 53,053.31 is: 79,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,258.95 : 237,339.21 = 53,053.31 : x
  2. Step 2: Convert to fraction form
    158,258.95/237,339.21 = 53,053.31/x
  3. Step 3: Cross multiply
    158,258.95x = 237,339.21 × 53,053.31
  4. Step 4: Simplify right side
    158,258.95x = 12,591,631,475.58
  5. Step 5: Solve for x
    x = 12,591,631,475.58/158,258.95
  6. Step 6: Final answer
    x = 79,563.47

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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.