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Finding the Fourth Proportional to 202,413.67, 279,355.50 and 117,530.74

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Solution

The fourth proportional to 202,413.67, 279,355.50 and 117,530.74 is: 162,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,413.67 : 279,355.50 = 117,530.74 : x
  2. Step 2: Convert to fraction form
    202,413.67/279,355.50 = 117,530.74/x
  3. Step 3: Cross multiply
    202,413.67x = 279,355.50 × 117,530.74
  4. Step 4: Simplify right side
    202,413.67x = 32,832,856,653.64
  5. Step 5: Solve for x
    x = 32,832,856,653.64/202,413.67
  6. Step 6: Final answer
    x = 162,206.72

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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.