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Finding the Fourth Proportional to 180,157.88, 248,583.66 and 113,059.64

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Solution

The fourth proportional to 180,157.88, 248,583.66 and 113,059.64 is: 156,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,157.88 : 248,583.66 = 113,059.64 : x
  2. Step 2: Convert to fraction form
    180,157.88/248,583.66 = 113,059.64/x
  3. Step 3: Cross multiply
    180,157.88x = 248,583.66 × 113,059.64
  4. Step 4: Simplify right side
    180,157.88x = 28,104,779,109.48
  5. Step 5: Solve for x
    x = 28,104,779,109.48/180,157.88
  6. Step 6: Final answer
    x = 156,000.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.