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Finding the Fourth Proportional to 160,147.10, 221,004.32 and 88,528.32

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Solution

The fourth proportional to 160,147.10, 221,004.32 and 88,528.32 is: 122,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,147.10 : 221,004.32 = 88,528.32 : x
  2. Step 2: Convert to fraction form
    160,147.10/221,004.32 = 88,528.32/x
  3. Step 3: Cross multiply
    160,147.10x = 221,004.32 × 88,528.32
  4. Step 4: Simplify right side
    160,147.10x = 19,565,140,719.70
  5. Step 5: Solve for x
    x = 19,565,140,719.70/160,147.10
  6. Step 6: Final answer
    x = 122,169.81

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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.