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Finding the Fourth Proportional to 163,325.57, 225,413.70 and 99,700.34

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Solution

The fourth proportional to 163,325.57, 225,413.70 and 99,700.34 is: 137,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,325.57 : 225,413.70 = 99,700.34 : x
  2. Step 2: Convert to fraction form
    163,325.57/225,413.70 = 99,700.34/x
  3. Step 3: Cross multiply
    163,325.57x = 225,413.70 × 99,700.34
  4. Step 4: Simplify right side
    163,325.57x = 22,473,822,530.66
  5. Step 5: Solve for x
    x = 22,473,822,530.66/163,325.57
  6. Step 6: Final answer
    x = 137,601.37

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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.