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Finding the Fourth Proportional to 247,598.82, 341,690.14 and 134,421.58

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Solution

The fourth proportional to 247,598.82, 341,690.14 and 134,421.58 is: 185,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,598.82 : 341,690.14 = 134,421.58 : x
  2. Step 2: Convert to fraction form
    247,598.82/341,690.14 = 134,421.58/x
  3. Step 3: Cross multiply
    247,598.82x = 341,690.14 × 134,421.58
  4. Step 4: Simplify right side
    247,598.82x = 45,930,528,489.22
  5. Step 5: Solve for x
    x = 45,930,528,489.22/247,598.82
  6. Step 6: Final answer
    x = 185,503.83

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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.