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Finding the Fourth Proportional to 94,620.51, 130,582.76 and 54,876.51

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Solution

The fourth proportional to 94,620.51, 130,582.76 and 54,876.51 is: 75,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,620.51 : 130,582.76 = 54,876.51 : x
  2. Step 2: Convert to fraction form
    94,620.51/130,582.76 = 54,876.51/x
  3. Step 3: Cross multiply
    94,620.51x = 130,582.76 × 54,876.51
  4. Step 4: Simplify right side
    94,620.51x = 7,165,925,860.59
  5. Step 5: Solve for x
    x = 7,165,925,860.59/94,620.51
  6. Step 6: Final answer
    x = 75,733.33

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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.