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Finding the Fourth Proportional to 180,152.99, 248,635.82 and 103,670.51

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Solution

The fourth proportional to 180,152.99, 248,635.82 and 103,670.51 is: 143,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,152.99 : 248,635.82 = 103,670.51 : x
  2. Step 2: Convert to fraction form
    180,152.99/248,635.82 = 103,670.51/x
  3. Step 3: Cross multiply
    180,152.99x = 248,635.82 × 103,670.51
  4. Step 4: Simplify right side
    180,152.99x = 25,776,201,745.32
  5. Step 5: Solve for x
    x = 25,776,201,745.32/180,152.99
  6. Step 6: Final answer
    x = 143,079.52

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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.