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Finding the Fourth Proportional to 215,258.03, 297,070.28 and 119,764.92

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Solution

The fourth proportional to 215,258.03, 297,070.28 and 119,764.92 is: 165,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,258.03 : 297,070.28 = 119,764.92 : x
  2. Step 2: Convert to fraction form
    215,258.03/297,070.28 = 119,764.92/x
  3. Step 3: Cross multiply
    215,258.03x = 297,070.28 × 119,764.92
  4. Step 4: Simplify right side
    215,258.03x = 35,578,598,318.58
  5. Step 5: Solve for x
    x = 35,578,598,318.58/215,258.03
  6. Step 6: Final answer
    x = 165,283.49

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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.