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Finding the Fourth Proportional to 230,511.60, 318,130.20 and 173,833.20

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Solution

The fourth proportional to 230,511.60, 318,130.20 and 173,833.20 is: 239,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,511.60 : 318,130.20 = 173,833.20 : x
  2. Step 2: Convert to fraction form
    230,511.60/318,130.20 = 173,833.20/x
  3. Step 3: Cross multiply
    230,511.60x = 318,130.20 × 173,833.20
  4. Step 4: Simplify right side
    230,511.60x = 55,301,590,682.64
  5. Step 5: Solve for x
    x = 55,301,590,682.64/230,511.60
  6. Step 6: Final answer
    x = 239,908.06

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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.