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Finding the Fourth Proportional to 235,551.83, 325,068.79 and 133,581.47

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Solution

The fourth proportional to 235,551.83, 325,068.79 and 133,581.47 is: 184,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,551.83 : 325,068.79 = 133,581.47 : x
  2. Step 2: Convert to fraction form
    235,551.83/325,068.79 = 133,581.47/x
  3. Step 3: Cross multiply
    235,551.83x = 325,068.79 × 133,581.47
  4. Step 4: Simplify right side
    235,551.83x = 43,423,167,298.04
  5. Step 5: Solve for x
    x = 43,423,167,298.04/235,551.83
  6. Step 6: Final answer
    x = 184,346.55

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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.