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Finding the Fourth Proportional to 195,107.58, 292,646.79 and 70,448.58

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Solution

The fourth proportional to 195,107.58, 292,646.79 and 70,448.58 is: 105,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,107.58 : 292,646.79 = 70,448.58 : x
  2. Step 2: Convert to fraction form
    195,107.58/292,646.79 = 70,448.58/x
  3. Step 3: Cross multiply
    195,107.58x = 292,646.79 × 70,448.58
  4. Step 4: Simplify right side
    195,107.58x = 20,616,550,797.06
  5. Step 5: Solve for x
    x = 20,616,550,797.06/195,107.58
  6. Step 6: Final answer
    x = 105,667.61

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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.