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Finding the Fourth Proportional to 243,485.30, 365,238.88 and 93,672.30

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Solution

The fourth proportional to 243,485.30, 365,238.88 and 93,672.30 is: 140,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,485.30 : 365,238.88 = 93,672.30 : x
  2. Step 2: Convert to fraction form
    243,485.30/365,238.88 = 93,672.30/x
  3. Step 3: Cross multiply
    243,485.30x = 365,238.88 × 93,672.30
  4. Step 4: Simplify right side
    243,485.30x = 34,212,765,939.02
  5. Step 5: Solve for x
    x = 34,212,765,939.02/243,485.30
  6. Step 6: Final answer
    x = 140,512.65

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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.