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Finding the Fourth Proportional to 101,068.70, 151,413.50 and 84,534.98

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Solution

The fourth proportional to 101,068.70, 151,413.50 and 84,534.98 is: 126,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,068.70 : 151,413.50 = 84,534.98 : x
  2. Step 2: Convert to fraction form
    101,068.70/151,413.50 = 84,534.98/x
  3. Step 3: Cross multiply
    101,068.70x = 151,413.50 × 84,534.98
  4. Step 4: Simplify right side
    101,068.70x = 12,799,737,194.23
  5. Step 5: Solve for x
    x = 12,799,737,194.23/101,068.70
  6. Step 6: Final answer
    x = 126,643.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.