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Finding the Fourth Proportional to 234,893.80, 324,151.80 and 127,461.10

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Solution

The fourth proportional to 234,893.80, 324,151.80 and 127,461.10 is: 175,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,893.80 : 324,151.80 = 127,461.10 : x
  2. Step 2: Convert to fraction form
    234,893.80/324,151.80 = 127,461.10/x
  3. Step 3: Cross multiply
    234,893.80x = 324,151.80 × 127,461.10
  4. Step 4: Simplify right side
    234,893.80x = 41,316,744,994.98
  5. Step 5: Solve for x
    x = 41,316,744,994.98/234,893.80
  6. Step 6: Final answer
    x = 175,895.43

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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.