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Finding the Fourth Proportional to 117,262.80, 175,894.56 and 28,516.32

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Solution

The fourth proportional to 117,262.80, 175,894.56 and 28,516.32 is: 42,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,262.80 : 175,894.56 = 28,516.32 : x
  2. Step 2: Convert to fraction form
    117,262.80/175,894.56 = 28,516.32/x
  3. Step 3: Cross multiply
    117,262.80x = 175,894.56 × 28,516.32
  4. Step 4: Simplify right side
    117,262.80x = 5,015,865,559.22
  5. Step 5: Solve for x
    x = 5,015,865,559.22/117,262.80
  6. Step 6: Final answer
    x = 42,774.57

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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.