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Finding the Fourth Proportional to 61,077.93, 91,131.29 and 53,598.39

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Solution

The fourth proportional to 61,077.93, 91,131.29 and 53,598.39 is: 79,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,077.93 : 91,131.29 = 53,598.39 : x
  2. Step 2: Convert to fraction form
    61,077.93/91,131.29 = 53,598.39/x
  3. Step 3: Cross multiply
    61,077.93x = 91,131.29 × 53,598.39
  4. Step 4: Simplify right side
    61,077.93x = 4,884,490,154.63
  5. Step 5: Solve for x
    x = 4,884,490,154.63/61,077.93
  6. Step 6: Final answer
    x = 79,971.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.