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Finding the Fourth Proportional to 160,751.03, 221,839.86 and 88,155.62

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Solution

The fourth proportional to 160,751.03, 221,839.86 and 88,155.62 is: 121,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,751.03 : 221,839.86 = 88,155.62 : x
  2. Step 2: Convert to fraction form
    160,751.03/221,839.86 = 88,155.62/x
  3. Step 3: Cross multiply
    160,751.03x = 221,839.86 × 88,155.62
  4. Step 4: Simplify right side
    160,751.03x = 19,556,429,828.37
  5. Step 5: Solve for x
    x = 19,556,429,828.37/160,751.03
  6. Step 6: Final answer
    x = 121,656.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.