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Finding the Fourth Proportional to 80,341.34, 110,869.16 and 46,349.90

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Solution

The fourth proportional to 80,341.34, 110,869.16 and 46,349.90 is: 63,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,341.34 : 110,869.16 = 46,349.90 : x
  2. Step 2: Convert to fraction form
    80,341.34/110,869.16 = 46,349.90/x
  3. Step 3: Cross multiply
    80,341.34x = 110,869.16 × 46,349.90
  4. Step 4: Simplify right side
    80,341.34x = 5,138,773,692.99
  5. Step 5: Solve for x
    x = 5,138,773,692.99/80,341.34
  6. Step 6: Final answer
    x = 63,961.77

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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.