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Finding the Fourth Proportional to 112,259.75, 154,769.59 and 93,067.07

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Solution

The fourth proportional to 112,259.75, 154,769.59 and 93,067.07 is: 128,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,259.75 : 154,769.59 = 93,067.07 : x
  2. Step 2: Convert to fraction form
    112,259.75/154,769.59 = 93,067.07/x
  3. Step 3: Cross multiply
    112,259.75x = 154,769.59 × 93,067.07
  4. Step 4: Simplify right side
    112,259.75x = 14,403,952,420.66
  5. Step 5: Solve for x
    x = 14,403,952,420.66/112,259.75
  6. Step 6: Final answer
    x = 128,309.14

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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.