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Finding the Fourth Proportional to 220,548, 304,358.58 and 119,948.16

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Solution

The fourth proportional to 220,548, 304,358.58 and 119,948.16 is: 165,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,548 : 304,358.58 = 119,948.16 : x
  2. Step 2: Convert to fraction form
    220,548/304,358.58 = 119,948.16/x
  3. Step 3: Cross multiply
    220,548x = 304,358.58 × 119,948.16
  4. Step 4: Simplify right side
    220,548x = 36,507,251,651.21
  5. Step 5: Solve for x
    x = 36,507,251,651.21/220,548
  6. Step 6: Final answer
    x = 165,529.73

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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.