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Finding the Fourth Proportional to 89,606.77, 134,390.10 and 26,413.40

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Solution

The fourth proportional to 89,606.77, 134,390.10 and 26,413.40 is: 39,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,606.77 : 134,390.10 = 26,413.40 : x
  2. Step 2: Convert to fraction form
    89,606.77/134,390.10 = 26,413.40/x
  3. Step 3: Cross multiply
    89,606.77x = 134,390.10 × 26,413.40
  4. Step 4: Simplify right side
    89,606.77x = 3,549,699,467.34
  5. Step 5: Solve for x
    x = 3,549,699,467.34/89,606.77
  6. Step 6: Final answer
    x = 39,614.19

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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.