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Finding the Fourth Proportional to 301,125.47, 451,612.59 and 123,681.47

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Solution

The fourth proportional to 301,125.47, 451,612.59 and 123,681.47 is: 185,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,125.47 : 451,612.59 = 123,681.47 : x
  2. Step 2: Convert to fraction form
    301,125.47/451,612.59 = 123,681.47/x
  3. Step 3: Cross multiply
    301,125.47x = 451,612.59 × 123,681.47
  4. Step 4: Simplify right side
    301,125.47x = 55,856,109,001.71
  5. Step 5: Solve for x
    x = 55,856,109,001.71/301,125.47
  6. Step 6: Final answer
    x = 185,491.15

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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.