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Finding the Fourth Proportional to 86,750.32, 119,714.46 and 47,006.32

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Solution

The fourth proportional to 86,750.32, 119,714.46 and 47,006.32 is: 64,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,750.32 : 119,714.46 = 47,006.32 : x
  2. Step 2: Convert to fraction form
    86,750.32/119,714.46 = 47,006.32/x
  3. Step 3: Cross multiply
    86,750.32x = 119,714.46 × 47,006.32
  4. Step 4: Simplify right side
    86,750.32x = 5,627,336,215.39
  5. Step 5: Solve for x
    x = 5,627,336,215.39/86,750.32
  6. Step 6: Final answer
    x = 64,868.19

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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.