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Finding the Fourth Proportional to 92,901.52, 128,200.62 and 50,458.60

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Solution

The fourth proportional to 92,901.52, 128,200.62 and 50,458.60 is: 69,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,901.52 : 128,200.62 = 50,458.60 : x
  2. Step 2: Convert to fraction form
    92,901.52/128,200.62 = 50,458.60/x
  3. Step 3: Cross multiply
    92,901.52x = 128,200.62 × 50,458.60
  4. Step 4: Simplify right side
    92,901.52x = 6,468,823,804.33
  5. Step 5: Solve for x
    x = 6,468,823,804.33/92,901.52
  6. Step 6: Final answer
    x = 69,630.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.