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Finding the Fourth Proportional to 201,867,228.17, 302,854,671.52 and 72,475,959.30

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Solution

The fourth proportional to 201,867,228.17, 302,854,671.52 and 72,475,959.30 is: 108,733,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,867,228.17 : 302,854,671.52 = 72,475,959.30 : x
  2. Step 2: Convert to fraction form
    201,867,228.17/302,854,671.52 = 72,475,959.30/x
  3. Step 3: Cross multiply
    201,867,228.17x = 302,854,671.52 × 72,475,959.30
  4. Step 4: Simplify right side
    201,867,228.17x = 21,949,682,846,717,196
  5. Step 5: Solve for x
    x = 21,949,682,846,717,196/201,867,228.17
  6. Step 6: Final answer
    x = 108,733,265.15

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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.