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Finding the Fourth Proportional to 169,612.76, 254,448.47 and 57,293.79

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Solution

The fourth proportional to 169,612.76, 254,448.47 and 57,293.79 is: 85,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,612.76 : 254,448.47 = 57,293.79 : x
  2. Step 2: Convert to fraction form
    169,612.76/254,448.47 = 57,293.79/x
  3. Step 3: Cross multiply
    169,612.76x = 254,448.47 × 57,293.79
  4. Step 4: Simplify right side
    169,612.76x = 14,578,316,919.53
  5. Step 5: Solve for x
    x = 14,578,316,919.53/169,612.76
  6. Step 6: Final answer
    x = 85,950.59

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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.