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Finding the Fourth Proportional to 238,585.64, 357,985.38 and 120,192.44

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Solution

The fourth proportional to 238,585.64, 357,985.38 and 120,192.44 is: 180,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,585.64 : 357,985.38 = 120,192.44 : x
  2. Step 2: Convert to fraction form
    238,585.64/357,985.38 = 120,192.44/x
  3. Step 3: Cross multiply
    238,585.64x = 357,985.38 × 120,192.44
  4. Step 4: Simplify right side
    238,585.64x = 43,027,136,306.53
  5. Step 5: Solve for x
    x = 43,027,136,306.53/238,585.64
  6. Step 6: Final answer
    x = 180,342.52

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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.