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Finding the Fourth Proportional to 243,046.19, 335,222.61 and 178,495.49

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Solution

The fourth proportional to 243,046.19, 335,222.61 and 178,495.49 is: 246,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,046.19 : 335,222.61 = 178,495.49 : x
  2. Step 2: Convert to fraction form
    243,046.19/335,222.61 = 178,495.49/x
  3. Step 3: Cross multiply
    243,046.19x = 335,222.61 × 178,495.49
  4. Step 4: Simplify right side
    243,046.19x = 59,835,724,031.03
  5. Step 5: Solve for x
    x = 59,835,724,031.03/243,046.19
  6. Step 6: Final answer
    x = 246,190.75

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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.