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Finding the Fourth Proportional to 147,911.73, 221,707.71 and 59,067.60

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Solution

The fourth proportional to 147,911.73, 221,707.71 and 59,067.60 is: 88,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,911.73 : 221,707.71 = 59,067.60 : x
  2. Step 2: Convert to fraction form
    147,911.73/221,707.71 = 59,067.60/x
  3. Step 3: Cross multiply
    147,911.73x = 221,707.71 × 59,067.60
  4. Step 4: Simplify right side
    147,911.73x = 13,095,742,331.20
  5. Step 5: Solve for x
    x = 13,095,742,331.20/147,911.73
  6. Step 6: Final answer
    x = 88,537.55

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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.