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Finding the Fourth Proportional to 116,290.30, 160,354.44 and 101,048.32

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Solution

The fourth proportional to 116,290.30, 160,354.44 and 101,048.32 is: 139,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,290.30 : 160,354.44 = 101,048.32 : x
  2. Step 2: Convert to fraction form
    116,290.30/160,354.44 = 101,048.32/x
  3. Step 3: Cross multiply
    116,290.30x = 160,354.44 × 101,048.32
  4. Step 4: Simplify right side
    116,290.30x = 16,203,546,766.54
  5. Step 5: Solve for x
    x = 16,203,546,766.54/116,290.30
  6. Step 6: Final answer
    x = 139,337.05

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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.