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Finding the Fourth Proportional to 117,073.71, 175,611.02 and 28,327.07

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Solution

The fourth proportional to 117,073.71, 175,611.02 and 28,327.07 is: 42,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,073.71 : 175,611.02 = 28,327.07 : x
  2. Step 2: Convert to fraction form
    117,073.71/175,611.02 = 28,327.07/x
  3. Step 3: Cross multiply
    117,073.71x = 175,611.02 × 28,327.07
  4. Step 4: Simplify right side
    117,073.71x = 4,974,545,953.70
  5. Step 5: Solve for x
    x = 4,974,545,953.70/117,073.71
  6. Step 6: Final answer
    x = 42,490.72

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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.