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Finding the Fourth Proportional to 92,764.25, 128,014.98 and 50,323.08

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Solution

The fourth proportional to 92,764.25, 128,014.98 and 50,323.08 is: 69,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,764.25 : 128,014.98 = 50,323.08 : x
  2. Step 2: Convert to fraction form
    92,764.25/128,014.98 = 50,323.08/x
  3. Step 3: Cross multiply
    92,764.25x = 128,014.98 × 50,323.08
  4. Step 4: Simplify right side
    92,764.25x = 6,442,108,079.74
  5. Step 5: Solve for x
    x = 6,442,108,079.74/92,764.25
  6. Step 6: Final answer
    x = 69,446.03

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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.