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Finding the Fourth Proportional to 93,776.88, 129,413.52 and 51,339.36

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Solution

The fourth proportional to 93,776.88, 129,413.52 and 51,339.36 is: 70,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,776.88 : 129,413.52 = 51,339.36 : x
  2. Step 2: Convert to fraction form
    93,776.88/129,413.52 = 51,339.36/x
  3. Step 3: Cross multiply
    93,776.88x = 129,413.52 × 51,339.36
  4. Step 4: Simplify right side
    93,776.88x = 6,644,007,292.15
  5. Step 5: Solve for x
    x = 6,644,007,292.15/93,776.88
  6. Step 6: Final answer
    x = 70,849.10

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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.