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Finding the Fourth Proportional to 160,358.32, 221,291.16 and 88,734.04

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Solution

The fourth proportional to 160,358.32, 221,291.16 and 88,734.04 is: 122,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,358.32 : 221,291.16 = 88,734.04 : x
  2. Step 2: Convert to fraction form
    160,358.32/221,291.16 = 88,734.04/x
  3. Step 3: Cross multiply
    160,358.32x = 221,291.16 × 88,734.04
  4. Step 4: Simplify right side
    160,358.32x = 19,636,058,643.09
  5. Step 5: Solve for x
    x = 19,636,058,643.09/160,358.32
  6. Step 6: Final answer
    x = 122,451.14

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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.