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Finding the Fourth Proportional to 94,539, 130,463.26 and 51,518.40

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Solution

The fourth proportional to 94,539, 130,463.26 and 51,518.40 is: 71,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,539 : 130,463.26 = 51,518.40 : x
  2. Step 2: Convert to fraction form
    94,539/130,463.26 = 51,518.40/x
  3. Step 3: Cross multiply
    94,539x = 130,463.26 × 51,518.40
  4. Step 4: Simplify right side
    94,539x = 6,721,258,413.98
  5. Step 5: Solve for x
    x = 6,721,258,413.98/94,539
  6. Step 6: Final answer
    x = 71,095.09

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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.