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Finding the Fourth Proportional to 152,473.80, 210,413.94 and 83,562.96

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Solution

The fourth proportional to 152,473.80, 210,413.94 and 83,562.96 is: 115,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,473.80 : 210,413.94 = 83,562.96 : x
  2. Step 2: Convert to fraction form
    152,473.80/210,413.94 = 83,562.96/x
  3. Step 3: Cross multiply
    152,473.80x = 210,413.94 × 83,562.96
  4. Step 4: Simplify right side
    152,473.80x = 17,582,811,651.66
  5. Step 5: Solve for x
    x = 17,582,811,651.66/152,473.80
  6. Step 6: Final answer
    x = 115,316.94

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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.