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Finding the Fourth Proportional to 117,089.57, 175,563.17 and 45,926.93

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Solution

The fourth proportional to 117,089.57, 175,563.17 and 45,926.93 is: 68,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089.57 : 175,563.17 = 45,926.93 : x
  2. Step 2: Convert to fraction form
    117,089.57/175,563.17 = 45,926.93/x
  3. Step 3: Cross multiply
    117,089.57x = 175,563.17 × 45,926.93
  4. Step 4: Simplify right side
    117,089.57x = 8,063,077,189.53
  5. Step 5: Solve for x
    x = 8,063,077,189.53/117,089.57
  6. Step 6: Final answer
    x = 68,862.47

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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.