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Finding the Fourth Proportional to 234,361.51, 323,417.26 and 126,929.08

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Solution

The fourth proportional to 234,361.51, 323,417.26 and 126,929.08 is: 175,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,361.51 : 323,417.26 = 126,929.08 : x
  2. Step 2: Convert to fraction form
    234,361.51/323,417.26 = 126,929.08/x
  3. Step 3: Cross multiply
    234,361.51x = 323,417.26 × 126,929.08
  4. Step 4: Simplify right side
    234,361.51x = 41,051,055,267.92
  5. Step 5: Solve for x
    x = 41,051,055,267.92/234,361.51
  6. Step 6: Final answer
    x = 175,161.25

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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.