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Finding the Fourth Proportional to 144,595.80, 199,271.75 and 104,240.79

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Solution

The fourth proportional to 144,595.80, 199,271.75 and 104,240.79 is: 143,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,595.80 : 199,271.75 = 104,240.79 : x
  2. Step 2: Convert to fraction form
    144,595.80/199,271.75 = 104,240.79/x
  3. Step 3: Cross multiply
    144,595.80x = 199,271.75 × 104,240.79
  4. Step 4: Simplify right side
    144,595.80x = 20,772,244,123.48
  5. Step 5: Solve for x
    x = 20,772,244,123.48/144,595.80
  6. Step 6: Final answer
    x = 143,657.31

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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.