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Finding the Fourth Proportional to 92,764.62, 128,014.29 and 50,323.32

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Solution

The fourth proportional to 92,764.62, 128,014.29 and 50,323.32 is: 69,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,764.62 : 128,014.29 = 50,323.32 : x
  2. Step 2: Convert to fraction form
    92,764.62/128,014.29 = 50,323.32/x
  3. Step 3: Cross multiply
    92,764.62x = 128,014.29 × 50,323.32
  4. Step 4: Simplify right side
    92,764.62x = 6,442,104,080.24
  5. Step 5: Solve for x
    x = 6,442,104,080.24/92,764.62
  6. Step 6: Final answer
    x = 69,445.70

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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.