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Finding the Fourth Proportional to 126,595.73, 174,718.65 and 72,883.01

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Solution

The fourth proportional to 126,595.73, 174,718.65 and 72,883.01 is: 100,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,595.73 : 174,718.65 = 72,883.01 : x
  2. Step 2: Convert to fraction form
    126,595.73/174,718.65 = 72,883.01/x
  3. Step 3: Cross multiply
    126,595.73x = 174,718.65 × 72,883.01
  4. Step 4: Simplify right side
    126,595.73x = 12,734,021,115.14
  5. Step 5: Solve for x
    x = 12,734,021,115.14/126,595.73
  6. Step 6: Final answer
    x = 100,588.08

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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.