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Finding the Fourth Proportional to 113,809.08, 170,732.16 and 42,737.22

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Solution

The fourth proportional to 113,809.08, 170,732.16 and 42,737.22 is: 64,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,809.08 : 170,732.16 = 42,737.22 : x
  2. Step 2: Convert to fraction form
    113,809.08/170,732.16 = 42,737.22/x
  3. Step 3: Cross multiply
    113,809.08x = 170,732.16 × 42,737.22
  4. Step 4: Simplify right side
    113,809.08x = 7,296,617,883.00
  5. Step 5: Solve for x
    x = 7,296,617,883.00/113,809.08
  6. Step 6: Final answer
    x = 64,112.79

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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.