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Finding the Fourth Proportional to 169,122.51, 253,681.93 and 50,788.80

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Solution

The fourth proportional to 169,122.51, 253,681.93 and 50,788.80 is: 76,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,122.51 : 253,681.93 = 50,788.80 : x
  2. Step 2: Convert to fraction form
    169,122.51/253,681.93 = 50,788.80/x
  3. Step 3: Cross multiply
    169,122.51x = 253,681.93 × 50,788.80
  4. Step 4: Simplify right side
    169,122.51x = 12,884,200,806.38
  5. Step 5: Solve for x
    x = 12,884,200,806.38/169,122.51
  6. Step 6: Final answer
    x = 76,182.65

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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.