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Finding the Fourth Proportional to 371,325.01, 557,016.95 and 105,087.19

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Solution

The fourth proportional to 371,325.01, 557,016.95 and 105,087.19 is: 157,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,325.01 : 557,016.95 = 105,087.19 : x
  2. Step 2: Convert to fraction form
    371,325.01/557,016.95 = 105,087.19/x
  3. Step 3: Cross multiply
    371,325.01x = 557,016.95 × 105,087.19
  4. Step 4: Simplify right side
    371,325.01x = 58,535,345,532.43
  5. Step 5: Solve for x
    x = 58,535,345,532.43/371,325.01
  6. Step 6: Final answer
    x = 157,639.11

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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.