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Finding the Fourth Proportional to 110,731.77, 152,809.80 and 60,430.77

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Solution

The fourth proportional to 110,731.77, 152,809.80 and 60,430.77 is: 83,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,731.77 : 152,809.80 = 60,430.77 : x
  2. Step 2: Convert to fraction form
    110,731.77/152,809.80 = 60,430.77/x
  3. Step 3: Cross multiply
    110,731.77x = 152,809.80 × 60,430.77
  4. Step 4: Simplify right side
    110,731.77x = 9,234,413,877.55
  5. Step 5: Solve for x
    x = 9,234,413,877.55/110,731.77
  6. Step 6: Final answer
    x = 83,394.44

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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.