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Finding the Fourth Proportional to 156,671.70, 235,007.55 and 97,476.90

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Solution

The fourth proportional to 156,671.70, 235,007.55 and 97,476.90 is: 146,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,671.70 : 235,007.55 = 97,476.90 : x
  2. Step 2: Convert to fraction form
    156,671.70/235,007.55 = 97,476.90/x
  3. Step 3: Cross multiply
    156,671.70x = 235,007.55 × 97,476.90
  4. Step 4: Simplify right side
    156,671.70x = 22,907,807,450.60
  5. Step 5: Solve for x
    x = 22,907,807,450.60/156,671.70
  6. Step 6: Final answer
    x = 146,215.35

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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.