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Finding the Fourth Proportional to 234,354.77, 323,409.48 and 126,924.80

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Solution

The fourth proportional to 234,354.77, 323,409.48 and 126,924.80 is: 175,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,354.77 : 323,409.48 = 126,924.80 : x
  2. Step 2: Convert to fraction form
    234,354.77/323,409.48 = 126,924.80/x
  3. Step 3: Cross multiply
    234,354.77x = 323,409.48 × 126,924.80
  4. Step 4: Simplify right side
    234,354.77x = 41,048,683,567.10
  5. Step 5: Solve for x
    x = 41,048,683,567.10/234,354.77
  6. Step 6: Final answer
    x = 175,156.17

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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.