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Finding the Fourth Proportional to 239,353.17, 358,919.38 and 70,813.23

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Solution

The fourth proportional to 239,353.17, 358,919.38 and 70,813.23 is: 106,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,353.17 : 358,919.38 = 70,813.23 : x
  2. Step 2: Convert to fraction form
    239,353.17/358,919.38 = 70,813.23/x
  3. Step 3: Cross multiply
    239,353.17x = 358,919.38 × 70,813.23
  4. Step 4: Simplify right side
    239,353.17x = 25,416,240,607.40
  5. Step 5: Solve for x
    x = 25,416,240,607.40/239,353.17
  6. Step 6: Final answer
    x = 106,187.19

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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.