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Finding the Fourth Proportional to 169,607.31, 254,433.71 and 89,683.93

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Solution

The fourth proportional to 169,607.31, 254,433.71 and 89,683.93 is: 134,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,607.31 : 254,433.71 = 89,683.93 : x
  2. Step 2: Convert to fraction form
    169,607.31/254,433.71 = 89,683.93/x
  3. Step 3: Cross multiply
    169,607.31x = 254,433.71 × 89,683.93
  4. Step 4: Simplify right side
    169,607.31x = 22,818,615,037.28
  5. Step 5: Solve for x
    x = 22,818,615,037.28/169,607.31
  6. Step 6: Final answer
    x = 134,537.92

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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.