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Finding the Fourth Proportional to 156,448.02, 215,898.04 and 84,827.92

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Solution

The fourth proportional to 156,448.02, 215,898.04 and 84,827.92 is: 117,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,448.02 : 215,898.04 = 84,827.92 : x
  2. Step 2: Convert to fraction form
    156,448.02/215,898.04 = 84,827.92/x
  3. Step 3: Cross multiply
    156,448.02x = 215,898.04 × 84,827.92
  4. Step 4: Simplify right side
    156,448.02x = 18,314,181,665.28
  5. Step 5: Solve for x
    x = 18,314,181,665.28/156,448.02
  6. Step 6: Final answer
    x = 117,062.41

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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.