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Finding the Fourth Proportional to 92,005.70, 137,935.65 and 50,452.70

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Solution

The fourth proportional to 92,005.70, 137,935.65 and 50,452.70 is: 75,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,005.70 : 137,935.65 = 50,452.70 : x
  2. Step 2: Convert to fraction form
    92,005.70/137,935.65 = 50,452.70/x
  3. Step 3: Cross multiply
    92,005.70x = 137,935.65 × 50,452.70
  4. Step 4: Simplify right side
    92,005.70x = 6,959,225,968.76
  5. Step 5: Solve for x
    x = 6,959,225,968.76/92,005.70
  6. Step 6: Final answer
    x = 75,639.07

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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.