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Finding the Fourth Proportional to 161,267.64, 241,818.12 and 72,445.20

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Solution

The fourth proportional to 161,267.64, 241,818.12 and 72,445.20 is: 108,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,267.64 : 241,818.12 = 72,445.20 : x
  2. Step 2: Convert to fraction form
    161,267.64/241,818.12 = 72,445.20/x
  3. Step 3: Cross multiply
    161,267.64x = 241,818.12 × 72,445.20
  4. Step 4: Simplify right side
    161,267.64x = 17,518,562,067.02
  5. Step 5: Solve for x
    x = 17,518,562,067.02/161,267.64
  6. Step 6: Final answer
    x = 108,630.36

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1.5x scale

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.