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Finding the Fourth Proportional to 228,130.88, 342,190.56 and 61,914.56

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Solution

The fourth proportional to 228,130.88, 342,190.56 and 61,914.56 is: 92,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,130.88 : 342,190.56 = 61,914.56 : x
  2. Step 2: Convert to fraction form
    228,130.88/342,190.56 = 61,914.56/x
  3. Step 3: Cross multiply
    228,130.88x = 342,190.56 × 61,914.56
  4. Step 4: Simplify right side
    228,130.88x = 21,186,577,958.55
  5. Step 5: Solve for x
    x = 21,186,577,958.55/228,130.88
  6. Step 6: Final answer
    x = 92,870.28

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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.