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Finding the Fourth Proportional to 243,536.67, 336,074.40 and 136,107.60

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Solution

The fourth proportional to 243,536.67, 336,074.40 and 136,107.60 is: 187,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,536.67 : 336,074.40 = 136,107.60 : x
  2. Step 2: Convert to fraction form
    243,536.67/336,074.40 = 136,107.60/x
  3. Step 3: Cross multiply
    243,536.67x = 336,074.40 × 136,107.60
  4. Step 4: Simplify right side
    243,536.67x = 45,742,280,005.44
  5. Step 5: Solve for x
    x = 45,742,280,005.44/243,536.67
  6. Step 6: Final answer
    x = 187,825.02

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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.