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Finding the Fourth Proportional to 210,094.90, 314,879.54 and 104,943.22

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Solution

The fourth proportional to 210,094.90, 314,879.54 and 104,943.22 is: 157,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,094.90 : 314,879.54 = 104,943.22 : x
  2. Step 2: Convert to fraction form
    210,094.90/314,879.54 = 104,943.22/x
  3. Step 3: Cross multiply
    210,094.90x = 314,879.54 × 104,943.22
  4. Step 4: Simplify right side
    210,094.90x = 33,044,472,839.72
  5. Step 5: Solve for x
    x = 33,044,472,839.72/210,094.90
  6. Step 6: Final answer
    x = 157,283.56

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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.