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Finding the Fourth Proportional to 98,346.66, 135,714.30 and 53,634.66

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Solution

The fourth proportional to 98,346.66, 135,714.30 and 53,634.66 is: 74,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,346.66 : 135,714.30 = 53,634.66 : x
  2. Step 2: Convert to fraction form
    98,346.66/135,714.30 = 53,634.66/x
  3. Step 3: Cross multiply
    98,346.66x = 135,714.30 × 53,634.66
  4. Step 4: Simplify right side
    98,346.66x = 7,278,990,337.64
  5. Step 5: Solve for x
    x = 7,278,990,337.64/98,346.66
  6. Step 6: Final answer
    x = 74,013.60

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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.