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Finding the Fourth Proportional to 101,374.26, 139,894.00 and 56,051.09

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Solution

The fourth proportional to 101,374.26, 139,894.00 and 56,051.09 is: 77,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,374.26 : 139,894.00 = 56,051.09 : x
  2. Step 2: Convert to fraction form
    101,374.26/139,894.00 = 56,051.09/x
  3. Step 3: Cross multiply
    101,374.26x = 139,894.00 × 56,051.09
  4. Step 4: Simplify right side
    101,374.26x = 7,841,210,904.20
  5. Step 5: Solve for x
    x = 7,841,210,904.20/101,374.26
  6. Step 6: Final answer
    x = 77,349.13

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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.