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Finding the Fourth Proportional to 155,714.88, 214,886.49 and 84,094.92

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Solution

The fourth proportional to 155,714.88, 214,886.49 and 84,094.92 is: 116,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,714.88 : 214,886.49 = 84,094.92 : x
  2. Step 2: Convert to fraction form
    155,714.88/214,886.49 = 84,094.92/x
  3. Step 3: Cross multiply
    155,714.88x = 214,886.49 × 84,094.92
  4. Step 4: Simplify right side
    155,714.88x = 18,070,861,870.27
  5. Step 5: Solve for x
    x = 18,070,861,870.27/155,714.88
  6. Step 6: Final answer
    x = 116,050.96

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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.