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Finding the Fourth Proportional to 124,076.71, 185,719.95 and 98,833.26

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Solution

The fourth proportional to 124,076.71, 185,719.95 and 98,833.26 is: 147,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,076.71 : 185,719.95 = 98,833.26 : x
  2. Step 2: Convert to fraction form
    124,076.71/185,719.95 = 98,833.26/x
  3. Step 3: Cross multiply
    124,076.71x = 185,719.95 × 98,833.26
  4. Step 4: Simplify right side
    124,076.71x = 18,355,307,611.37
  5. Step 5: Solve for x
    x = 18,355,307,611.37/124,076.71
  6. Step 6: Final answer
    x = 147,935.16

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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.