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Finding the Fourth Proportional to 272,275.58, 408,413.46 and 112,349.18

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Solution

The fourth proportional to 272,275.58, 408,413.46 and 112,349.18 is: 168,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,275.58 : 408,413.46 = 112,349.18 : x
  2. Step 2: Convert to fraction form
    272,275.58/408,413.46 = 112,349.18/x
  3. Step 3: Cross multiply
    272,275.58x = 408,413.46 × 112,349.18
  4. Step 4: Simplify right side
    272,275.58x = 45,884,917,331.96
  5. Step 5: Solve for x
    x = 45,884,917,331.96/272,275.58
  6. Step 6: Final answer
    x = 168,523.81

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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.