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Finding the Fourth Proportional to 235,987.14, 325,667.76 and 133,996.38

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Solution

The fourth proportional to 235,987.14, 325,667.76 and 133,996.38 is: 184,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,987.14 : 325,667.76 = 133,996.38 : x
  2. Step 2: Convert to fraction form
    235,987.14/325,667.76 = 133,996.38/x
  3. Step 3: Cross multiply
    235,987.14x = 325,667.76 × 133,996.38
  4. Step 4: Simplify right side
    235,987.14x = 43,638,300,922.71
  5. Step 5: Solve for x
    x = 43,638,300,922.71/235,987.14
  6. Step 6: Final answer
    x = 184,918.13

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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.