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Finding the Fourth Proportional to 61,602.93, 92,357.42 and 51,040.53

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Solution

The fourth proportional to 61,602.93, 92,357.42 and 51,040.53 is: 76,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.93 : 92,357.42 = 51,040.53 : x
  2. Step 2: Convert to fraction form
    61,602.93/92,357.42 = 51,040.53/x
  3. Step 3: Cross multiply
    61,602.93x = 92,357.42 × 51,040.53
  4. Step 4: Simplify right side
    61,602.93x = 4,713,971,411.03
  5. Step 5: Solve for x
    x = 4,713,971,411.03/61,602.93
  6. Step 6: Final answer
    x = 76,521.87

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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.