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Finding the Fourth Proportional to 119,272.69, 178,775.71 and 51,726.74

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Solution

The fourth proportional to 119,272.69, 178,775.71 and 51,726.74 is: 77,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272.69 : 178,775.71 = 51,726.74 : x
  2. Step 2: Convert to fraction form
    119,272.69/178,775.71 = 51,726.74/x
  3. Step 3: Cross multiply
    119,272.69x = 178,775.71 × 51,726.74
  4. Step 4: Simplify right side
    119,272.69x = 9,247,483,646.29
  5. Step 5: Solve for x
    x = 9,247,483,646.29/119,272.69
  6. Step 6: Final answer
    x = 77,532.28

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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.