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Finding the Fourth Proportional to 153,456.22, 211,780.22 and 93,029.41

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Solution

The fourth proportional to 153,456.22, 211,780.22 and 93,029.41 is: 128,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,456.22 : 211,780.22 = 93,029.41 : x
  2. Step 2: Convert to fraction form
    153,456.22/211,780.22 = 93,029.41/x
  3. Step 3: Cross multiply
    153,456.22x = 211,780.22 × 93,029.41
  4. Step 4: Simplify right side
    153,456.22x = 19,701,788,916.27
  5. Step 5: Solve for x
    x = 19,701,788,916.27/153,456.22
  6. Step 6: Final answer
    x = 128,387.03

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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.