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Finding the Fourth Proportional to 196,317.34, 294,459.60 and 77,956.90

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Solution

The fourth proportional to 196,317.34, 294,459.60 and 77,956.90 is: 116,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,317.34 : 294,459.60 = 77,956.90 : x
  2. Step 2: Convert to fraction form
    196,317.34/294,459.60 = 77,956.90/x
  3. Step 3: Cross multiply
    196,317.34x = 294,459.60 × 77,956.90
  4. Step 4: Simplify right side
    196,317.34x = 22,955,157,591.24
  5. Step 5: Solve for x
    x = 22,955,157,591.24/196,317.34
  6. Step 6: Final answer
    x = 116,928.83

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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.