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Finding the Fourth Proportional to 182,108.80, 272,871.60 and 115,429.60

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Solution

The fourth proportional to 182,108.80, 272,871.60 and 115,429.60 is: 172,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,108.80 : 272,871.60 = 115,429.60 : x
  2. Step 2: Convert to fraction form
    182,108.80/272,871.60 = 115,429.60/x
  3. Step 3: Cross multiply
    182,108.80x = 272,871.60 × 115,429.60
  4. Step 4: Simplify right side
    182,108.80x = 31,497,459,639.36
  5. Step 5: Solve for x
    x = 31,497,459,639.36/182,108.80
  6. Step 6: Final answer
    x = 172,959.57

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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.