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Finding the Fourth Proportional to 169,888.66, 254,842.71 and 51,563.86

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Solution

The fourth proportional to 169,888.66, 254,842.71 and 51,563.86 is: 77,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,888.66 : 254,842.71 = 51,563.86 : x
  2. Step 2: Convert to fraction form
    169,888.66/254,842.71 = 51,563.86/x
  3. Step 3: Cross multiply
    169,888.66x = 254,842.71 × 51,563.86
  4. Step 4: Simplify right side
    169,888.66x = 13,140,673,820.46
  5. Step 5: Solve for x
    x = 13,140,673,820.46/169,888.66
  6. Step 6: Final answer
    x = 77,348.74

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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.