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Finding the Fourth Proportional to 295,187.72, 407,413.87 and 167,855.72

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Solution

The fourth proportional to 295,187.72, 407,413.87 and 167,855.72 is: 231,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,187.72 : 407,413.87 = 167,855.72 : x
  2. Step 2: Convert to fraction form
    295,187.72/407,413.87 = 167,855.72/x
  3. Step 3: Cross multiply
    295,187.72x = 407,413.87 × 167,855.72
  4. Step 4: Simplify right side
    295,187.72x = 68,386,746,030.13
  5. Step 5: Solve for x
    x = 68,386,746,030.13/295,187.72
  6. Step 6: Final answer
    x = 231,672.06

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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.