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Finding the Fourth Proportional to 248,259.39, 342,597.02 and 140,850.15

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Solution

The fourth proportional to 248,259.39, 342,597.02 and 140,850.15 is: 194,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,259.39 : 342,597.02 = 140,850.15 : x
  2. Step 2: Convert to fraction form
    248,259.39/342,597.02 = 140,850.15/x
  3. Step 3: Cross multiply
    248,259.39x = 342,597.02 × 140,850.15
  4. Step 4: Simplify right side
    248,259.39x = 48,254,840,952.30
  5. Step 5: Solve for x
    x = 48,254,840,952.30/248,259.39
  6. Step 6: Final answer
    x = 194,372.67

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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.