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Finding the Fourth Proportional to 116,548.80, 174,909.60 and 77,092.80

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Solution

The fourth proportional to 116,548.80, 174,909.60 and 77,092.80 is: 115,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,548.80 : 174,909.60 = 77,092.80 : x
  2. Step 2: Convert to fraction form
    116,548.80/174,909.60 = 77,092.80/x
  3. Step 3: Cross multiply
    116,548.80x = 174,909.60 × 77,092.80
  4. Step 4: Simplify right side
    116,548.80x = 13,484,270,810.88
  5. Step 5: Solve for x
    x = 13,484,270,810.88/116,548.80
  6. Step 6: Final answer
    x = 115,696.35

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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.