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Finding the Fourth Proportional to 144,662.80, 199,501.44 and 99,260.68

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Solution

The fourth proportional to 144,662.80, 199,501.44 and 99,260.68 is: 136,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,662.80 : 199,501.44 = 99,260.68 : x
  2. Step 2: Convert to fraction form
    144,662.80/199,501.44 = 99,260.68/x
  3. Step 3: Cross multiply
    144,662.80x = 199,501.44 × 99,260.68
  4. Step 4: Simplify right side
    144,662.80x = 19,802,648,595.38
  5. Step 5: Solve for x
    x = 19,802,648,595.38/144,662.80
  6. Step 6: Final answer
    x = 136,888.33

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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.