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Finding the Fourth Proportional to 160,588.39, 221,603.25 and 88,964.14

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Solution

The fourth proportional to 160,588.39, 221,603.25 and 88,964.14 is: 122,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,588.39 : 221,603.25 = 88,964.14 : x
  2. Step 2: Convert to fraction form
    160,588.39/221,603.25 = 88,964.14/x
  3. Step 3: Cross multiply
    160,588.39x = 221,603.25 × 88,964.14
  4. Step 4: Simplify right side
    160,588.39x = 19,714,742,112.63
  5. Step 5: Solve for x
    x = 19,714,742,112.63/160,588.39
  6. Step 6: Final answer
    x = 122,765.68

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1.5x scale

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.