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Finding the Fourth Proportional to 236,362.67, 354,547.09 and 78,591.12

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Solution

The fourth proportional to 236,362.67, 354,547.09 and 78,591.12 is: 117,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,362.67 : 354,547.09 = 78,591.12 : x
  2. Step 2: Convert to fraction form
    236,362.67/354,547.09 = 78,591.12/x
  3. Step 3: Cross multiply
    236,362.67x = 354,547.09 × 78,591.12
  4. Step 4: Simplify right side
    236,362.67x = 27,864,252,699.36
  5. Step 5: Solve for x
    x = 27,864,252,699.36/236,362.67
  6. Step 6: Final answer
    x = 117,887.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.