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Finding the Fourth Proportional to 88,000.32, 121,440.32 and 47,714.01

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Solution

The fourth proportional to 88,000.32, 121,440.32 and 47,714.01 is: 65,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.32 : 121,440.32 = 47,714.01 : x
  2. Step 2: Convert to fraction form
    88,000.32/121,440.32 = 47,714.01/x
  3. Step 3: Cross multiply
    88,000.32x = 121,440.32 × 47,714.01
  4. Step 4: Simplify right side
    88,000.32x = 5,794,404,945.14
  5. Step 5: Solve for x
    x = 5,794,404,945.14/88,000.32
  6. Step 6: Final answer
    x = 65,845.27

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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.