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Finding the Fourth Proportional to 242,334.56, 334,701.60 and 161,621.84

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Solution

The fourth proportional to 242,334.56, 334,701.60 and 161,621.84 is: 223,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,334.56 : 334,701.60 = 161,621.84 : x
  2. Step 2: Convert to fraction form
    242,334.56/334,701.60 = 161,621.84/x
  3. Step 3: Cross multiply
    242,334.56x = 334,701.60 × 161,621.84
  4. Step 4: Simplify right side
    242,334.56x = 54,095,088,442.94
  5. Step 5: Solve for x
    x = 54,095,088,442.94/242,334.56
  6. Step 6: Final answer
    x = 223,224.82

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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.