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Finding the Fourth Proportional to 270,011.04, 405,060.28 and 83,022.52

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Solution

The fourth proportional to 270,011.04, 405,060.28 and 83,022.52 is: 124,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,011.04 : 405,060.28 = 83,022.52 : x
  2. Step 2: Convert to fraction form
    270,011.04/405,060.28 = 83,022.52/x
  3. Step 3: Cross multiply
    270,011.04x = 405,060.28 × 83,022.52
  4. Step 4: Simplify right side
    270,011.04x = 33,629,125,197.51
  5. Step 5: Solve for x
    x = 33,629,125,197.51/270,011.04
  6. Step 6: Final answer
    x = 124,547.22

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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.