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Finding the Fourth Proportional to 92,760.43, 128,009.44 and 52,473.34

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Solution

The fourth proportional to 92,760.43, 128,009.44 and 52,473.34 is: 72,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,760.43 : 128,009.44 = 52,473.34 : x
  2. Step 2: Convert to fraction form
    92,760.43/128,009.44 = 52,473.34/x
  3. Step 3: Cross multiply
    92,760.43x = 128,009.44 × 52,473.34
  4. Step 4: Simplify right side
    92,760.43x = 6,717,082,868.33
  5. Step 5: Solve for x
    x = 6,717,082,868.33/92,760.43
  6. Step 6: Final answer
    x = 72,413.24

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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.