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Finding the Fourth Proportional to 115,692.93, 173,341.35 and 63,139.32

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Solution

The fourth proportional to 115,692.93, 173,341.35 and 63,139.32 is: 94,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,692.93 : 173,341.35 = 63,139.32 : x
  2. Step 2: Convert to fraction form
    115,692.93/173,341.35 = 63,139.32/x
  3. Step 3: Cross multiply
    115,692.93x = 173,341.35 × 63,139.32
  4. Step 4: Simplify right side
    115,692.93x = 10,944,654,966.88
  5. Step 5: Solve for x
    x = 10,944,654,966.88/115,692.93
  6. Step 6: Final answer
    x = 94,600.90

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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.