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Finding the Fourth Proportional to 301,869.30, 452,803.95 and 91,479.90

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Solution

The fourth proportional to 301,869.30, 452,803.95 and 91,479.90 is: 137,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,869.30 : 452,803.95 = 91,479.90 : x
  2. Step 2: Convert to fraction form
    301,869.30/452,803.95 = 91,479.90/x
  3. Step 3: Cross multiply
    301,869.30x = 452,803.95 × 91,479.90
  4. Step 4: Simplify right side
    301,869.30x = 41,422,460,065.61
  5. Step 5: Solve for x
    x = 41,422,460,065.61/301,869.30
  6. Step 6: Final answer
    x = 137,219.85

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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.