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Finding the Fourth Proportional to 84,710.76, 127,050.72 and 32,102.88

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Solution

The fourth proportional to 84,710.76, 127,050.72 and 32,102.88 is: 48,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,710.76 : 127,050.72 = 32,102.88 : x
  2. Step 2: Convert to fraction form
    84,710.76/127,050.72 = 32,102.88/x
  3. Step 3: Cross multiply
    84,710.76x = 127,050.72 × 32,102.88
  4. Step 4: Simplify right side
    84,710.76x = 4,078,694,018.07
  5. Step 5: Solve for x
    x = 4,078,694,018.07/84,710.76
  6. Step 6: Final answer
    x = 48,148.48

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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.