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Finding the Fourth Proportional to 156,970.65, 235,455.98 and 50,354.40

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Solution

The fourth proportional to 156,970.65, 235,455.98 and 50,354.40 is: 75,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.65 : 235,455.98 = 50,354.40 : x
  2. Step 2: Convert to fraction form
    156,970.65/235,455.98 = 50,354.40/x
  3. Step 3: Cross multiply
    156,970.65x = 235,455.98 × 50,354.40
  4. Step 4: Simplify right side
    156,970.65x = 11,856,244,599.31
  5. Step 5: Solve for x
    x = 11,856,244,599.31/156,970.65
  6. Step 6: Final answer
    x = 75,531.60

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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.