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Finding the Fourth Proportional to 180,157.64, 248,635.58 and 154,747.94

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Solution

The fourth proportional to 180,157.64, 248,635.58 and 154,747.94 is: 213,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,157.64 : 248,635.58 = 154,747.94 : x
  2. Step 2: Convert to fraction form
    180,157.64/248,635.58 = 154,747.94/x
  3. Step 3: Cross multiply
    180,157.64x = 248,635.58 × 154,747.94
  4. Step 4: Simplify right side
    180,157.64x = 38,475,841,798.79
  5. Step 5: Solve for x
    x = 38,475,841,798.79/180,157.64
  6. Step 6: Final answer
    x = 213,567.64

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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.