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Finding the Fourth Proportional to 234,859.35, 324,105.45 and 127,429.35

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Solution

The fourth proportional to 234,859.35, 324,105.45 and 127,429.35 is: 175,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,859.35 : 324,105.45 = 127,429.35 : x
  2. Step 2: Convert to fraction form
    234,859.35/324,105.45 = 127,429.35/x
  3. Step 3: Cross multiply
    234,859.35x = 324,105.45 × 127,429.35
  4. Step 4: Simplify right side
    234,859.35x = 41,300,547,671.59
  5. Step 5: Solve for x
    x = 41,300,547,671.59/234,859.35
  6. Step 6: Final answer
    x = 175,852.26

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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.