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Finding the Fourth Proportional to 98,569.54, 147,866.61 and 38,590.27

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Solution

The fourth proportional to 98,569.54, 147,866.61 and 38,590.27 is: 57,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,569.54 : 147,866.61 = 38,590.27 : x
  2. Step 2: Convert to fraction form
    98,569.54/147,866.61 = 38,590.27/x
  3. Step 3: Cross multiply
    98,569.54x = 147,866.61 × 38,590.27
  4. Step 4: Simplify right side
    98,569.54x = 5,706,212,403.88
  5. Step 5: Solve for x
    x = 5,706,212,403.88/98,569.54
  6. Step 6: Final answer
    x = 57,890.22

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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.