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Finding the Fourth Proportional to 270,413.64, 373,155.72 and 147,881.83

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Solution

The fourth proportional to 270,413.64, 373,155.72 and 147,881.83 is: 204,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,413.64 : 373,155.72 = 147,881.83 : x
  2. Step 2: Convert to fraction form
    270,413.64/373,155.72 = 147,881.83/x
  3. Step 3: Cross multiply
    270,413.64x = 373,155.72 × 147,881.83
  4. Step 4: Simplify right side
    270,413.64x = 55,182,950,748.57
  5. Step 5: Solve for x
    x = 55,182,950,748.57/270,413.64
  6. Step 6: Final answer
    x = 204,068.67

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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.