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Finding the Fourth Proportional to 204,656.79, 282,348.74 and 124,054.91

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Solution

The fourth proportional to 204,656.79, 282,348.74 and 124,054.91 is: 171,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,656.79 : 282,348.74 = 124,054.91 : x
  2. Step 2: Convert to fraction form
    204,656.79/282,348.74 = 124,054.91/x
  3. Step 3: Cross multiply
    204,656.79x = 282,348.74 × 124,054.91
  4. Step 4: Simplify right side
    204,656.79x = 35,026,746,788.71
  5. Step 5: Solve for x
    x = 35,026,746,788.71/204,656.79
  6. Step 6: Final answer
    x = 171,148.71

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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.