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Finding the Fourth Proportional to 124,133.22, 186,054 and 57,432.47

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Solution

The fourth proportional to 124,133.22, 186,054 and 57,432.47 is: 86,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,133.22 : 186,054 = 57,432.47 : x
  2. Step 2: Convert to fraction form
    124,133.22/186,054 = 57,432.47/x
  3. Step 3: Cross multiply
    124,133.22x = 186,054 × 57,432.47
  4. Step 4: Simplify right side
    124,133.22x = 10,685,539,843.11
  5. Step 5: Solve for x
    x = 10,685,539,843.11/124,133.22
  6. Step 6: Final answer
    x = 86,081.23

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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.