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Finding the Fourth Proportional to 234,755.69, 351,663.93 and 108,222.89

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Solution

The fourth proportional to 234,755.69, 351,663.93 and 108,222.89 is: 162,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,755.69 : 351,663.93 = 108,222.89 : x
  2. Step 2: Convert to fraction form
    234,755.69/351,663.93 = 108,222.89/x
  3. Step 3: Cross multiply
    234,755.69x = 351,663.93 × 108,222.89
  4. Step 4: Simplify right side
    234,755.69x = 38,058,085,055.04
  5. Step 5: Solve for x
    x = 38,058,085,055.04/234,755.69
  6. Step 6: Final answer
    x = 162,117.84

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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.