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Finding the Fourth Proportional to 180,159.90, 270,245.34 and 61,829.52

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Solution

The fourth proportional to 180,159.90, 270,245.34 and 61,829.52 is: 92,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,159.90 : 270,245.34 = 61,829.52 : x
  2. Step 2: Convert to fraction form
    180,159.90/270,245.34 = 61,829.52/x
  3. Step 3: Cross multiply
    180,159.90x = 270,245.34 × 61,829.52
  4. Step 4: Simplify right side
    180,159.90x = 16,709,139,654.44
  5. Step 5: Solve for x
    x = 16,709,139,654.44/180,159.90
  6. Step 6: Final answer
    x = 92,746.16

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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.