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Finding the Fourth Proportional to 131,248.60, 196,671.30 and 97,811.80

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Solution

The fourth proportional to 131,248.60, 196,671.30 and 97,811.80 is: 146,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,248.60 : 196,671.30 = 97,811.80 : x
  2. Step 2: Convert to fraction form
    131,248.60/196,671.30 = 97,811.80/x
  3. Step 3: Cross multiply
    131,248.60x = 196,671.30 × 97,811.80
  4. Step 4: Simplify right side
    131,248.60x = 19,236,773,861.34
  5. Step 5: Solve for x
    x = 19,236,773,861.34/131,248.60
  6. Step 6: Final answer
    x = 146,567.46

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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.