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Finding the Fourth Proportional to 228,156.84, 342,235.26 and 61,944.84

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Solution

The fourth proportional to 228,156.84, 342,235.26 and 61,944.84 is: 92,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,156.84 : 342,235.26 = 61,944.84 : x
  2. Step 2: Convert to fraction form
    228,156.84/342,235.26 = 61,944.84/x
  3. Step 3: Cross multiply
    228,156.84x = 342,235.26 × 61,944.84
  4. Step 4: Simplify right side
    228,156.84x = 21,199,708,423.06
  5. Step 5: Solve for x
    x = 21,199,708,423.06/228,156.84
  6. Step 6: Final answer
    x = 92,917.26

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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.