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Finding the Fourth Proportional to 125,809.48, 188,714.22 and 32,315.32

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Solution

The fourth proportional to 125,809.48, 188,714.22 and 32,315.32 is: 48,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,809.48 : 188,714.22 = 32,315.32 : x
  2. Step 2: Convert to fraction form
    125,809.48/188,714.22 = 32,315.32/x
  3. Step 3: Cross multiply
    125,809.48x = 188,714.22 × 32,315.32
  4. Step 4: Simplify right side
    125,809.48x = 6,098,360,407.85
  5. Step 5: Solve for x
    x = 6,098,360,407.85/125,809.48
  6. Step 6: Final answer
    x = 48,472.98

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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.