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Finding the Fourth Proportional to 92,068.83, 127,053.74 and 51,782.58

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Solution

The fourth proportional to 92,068.83, 127,053.74 and 51,782.58 is: 71,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,068.83 : 127,053.74 = 51,782.58 : x
  2. Step 2: Convert to fraction form
    92,068.83/127,053.74 = 51,782.58/x
  3. Step 3: Cross multiply
    92,068.83x = 127,053.74 × 51,782.58
  4. Step 4: Simplify right side
    92,068.83x = 6,579,170,455.85
  5. Step 5: Solve for x
    x = 6,579,170,455.85/92,068.83
  6. Step 6: Final answer
    x = 71,459.26

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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.