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Finding the Fourth Proportional to 94,911.44, 130,980.52 and 52,472.70

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Solution

The fourth proportional to 94,911.44, 130,980.52 and 52,472.70 is: 72,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,911.44 : 130,980.52 = 52,472.70 : x
  2. Step 2: Convert to fraction form
    94,911.44/130,980.52 = 52,472.70/x
  3. Step 3: Cross multiply
    94,911.44x = 130,980.52 × 52,472.70
  4. Step 4: Simplify right side
    94,911.44x = 6,872,901,728.07
  5. Step 5: Solve for x
    x = 6,872,901,728.07/94,911.44
  6. Step 6: Final answer
    x = 72,413.84

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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.