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Finding the Fourth Proportional to 158,271.52, 237,442.84 and 53,087.80

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Solution

The fourth proportional to 158,271.52, 237,442.84 and 53,087.80 is: 79,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271.52 : 237,442.84 = 53,087.80 : x
  2. Step 2: Convert to fraction form
    158,271.52/237,442.84 = 53,087.80/x
  3. Step 3: Cross multiply
    158,271.52x = 237,442.84 × 53,087.80
  4. Step 4: Simplify right side
    158,271.52x = 12,605,318,001.35
  5. Step 5: Solve for x
    x = 12,605,318,001.35/158,271.52
  6. Step 6: Final answer
    x = 79,643.63

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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.