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Finding the Fourth Proportional to 292,073.90, 403,053.26 and 163,016.06

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Solution

The fourth proportional to 292,073.90, 403,053.26 and 163,016.06 is: 224,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,073.90 : 403,053.26 = 163,016.06 : x
  2. Step 2: Convert to fraction form
    292,073.90/403,053.26 = 163,016.06/x
  3. Step 3: Cross multiply
    292,073.90x = 403,053.26 × 163,016.06
  4. Step 4: Simplify right side
    292,073.90x = 65,704,154,415.36
  5. Step 5: Solve for x
    x = 65,704,154,415.36/292,073.90
  6. Step 6: Final answer
    x = 224,957.29

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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.