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Finding the Fourth Proportional to 159,697.64, 220,398.32 and 119,341.32

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Solution

The fourth proportional to 159,697.64, 220,398.32 and 119,341.32 is: 164,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,697.64 : 220,398.32 = 119,341.32 : x
  2. Step 2: Convert to fraction form
    159,697.64/220,398.32 = 119,341.32/x
  3. Step 3: Cross multiply
    159,697.64x = 220,398.32 × 119,341.32
  4. Step 4: Simplify right side
    159,697.64x = 26,302,626,434.58
  5. Step 5: Solve for x
    x = 26,302,626,434.58/159,697.64
  6. Step 6: Final answer
    x = 164,702.66

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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.