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Finding the Fourth Proportional to 125,459.94, 188,078.99 and 96,009.24

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Solution

The fourth proportional to 125,459.94, 188,078.99 and 96,009.24 is: 143,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,459.94 : 188,078.99 = 96,009.24 : x
  2. Step 2: Convert to fraction form
    125,459.94/188,078.99 = 96,009.24/x
  3. Step 3: Cross multiply
    125,459.94x = 188,078.99 × 96,009.24
  4. Step 4: Simplify right side
    125,459.94x = 18,057,320,409.82
  5. Step 5: Solve for x
    x = 18,057,320,409.82/125,459.94
  6. Step 6: Final answer
    x = 143,928.97

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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.