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Finding the Fourth Proportional to 235,909.40, 325,551.66 and 133,934.04

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Solution

The fourth proportional to 235,909.40, 325,551.66 and 133,934.04 is: 184,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,909.40 : 325,551.66 = 133,934.04 : x
  2. Step 2: Convert to fraction form
    235,909.40/325,551.66 = 133,934.04/x
  3. Step 3: Cross multiply
    235,909.40x = 325,551.66 × 133,934.04
  4. Step 4: Simplify right side
    235,909.40x = 43,602,449,052.51
  5. Step 5: Solve for x
    x = 43,602,449,052.51/235,909.40
  6. Step 6: Final answer
    x = 184,827.09

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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.