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Finding the Fourth Proportional to 238,857.58, 358,228.65 and 70,332.04

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Solution

The fourth proportional to 238,857.58, 358,228.65 and 70,332.04 is: 105,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,857.58 : 358,228.65 = 70,332.04 : x
  2. Step 2: Convert to fraction form
    238,857.58/358,228.65 = 70,332.04/x
  3. Step 3: Cross multiply
    238,857.58x = 358,228.65 × 70,332.04
  4. Step 4: Simplify right side
    238,857.58x = 25,194,951,740.95
  5. Step 5: Solve for x
    x = 25,194,951,740.95/238,857.58
  6. Step 6: Final answer
    x = 105,481.06

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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.