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Finding the Fourth Proportional to 132,762.91, 183,280.52 and 89,968.48

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Solution

The fourth proportional to 132,762.91, 183,280.52 and 89,968.48 is: 124,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,762.91 : 183,280.52 = 89,968.48 : x
  2. Step 2: Convert to fraction form
    132,762.91/183,280.52 = 89,968.48/x
  3. Step 3: Cross multiply
    132,762.91x = 183,280.52 × 89,968.48
  4. Step 4: Simplify right side
    132,762.91x = 16,489,468,881.61
  5. Step 5: Solve for x
    x = 16,489,468,881.61/132,762.91
  6. Step 6: Final answer
    x = 124,202.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.