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Finding the Fourth Proportional to 113,092.40, 169,722.84 and 43,108.40

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Solution

The fourth proportional to 113,092.40, 169,722.84 and 43,108.40 is: 64,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,092.40 : 169,722.84 = 43,108.40 : x
  2. Step 2: Convert to fraction form
    113,092.40/169,722.84 = 43,108.40/x
  3. Step 3: Cross multiply
    113,092.40x = 169,722.84 × 43,108.40
  4. Step 4: Simplify right side
    113,092.40x = 7,316,480,075.86
  5. Step 5: Solve for x
    x = 7,316,480,075.86/113,092.40
  6. Step 6: Final answer
    x = 64,694.71

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1.5x scale

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.