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Finding the Fourth Proportional to 188,707.83, 260,135.06 and 124,934.91

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Solution

The fourth proportional to 188,707.83, 260,135.06 and 124,934.91 is: 172,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,707.83 : 260,135.06 = 124,934.91 : x
  2. Step 2: Convert to fraction form
    188,707.83/260,135.06 = 124,934.91/x
  3. Step 3: Cross multiply
    188,707.83x = 260,135.06 × 124,934.91
  4. Step 4: Simplify right side
    188,707.83x = 32,499,949,684.27
  5. Step 5: Solve for x
    x = 32,499,949,684.27/188,707.83
  6. Step 6: Final answer
    x = 172,223.64

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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.