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Finding the Fourth Proportional to 163,051.03, 225,012.74 and 98,511.29

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Solution

The fourth proportional to 163,051.03, 225,012.74 and 98,511.29 is: 135,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,051.03 : 225,012.74 = 98,511.29 : x
  2. Step 2: Convert to fraction form
    163,051.03/225,012.74 = 98,511.29/x
  3. Step 3: Cross multiply
    163,051.03x = 225,012.74 × 98,511.29
  4. Step 4: Simplify right side
    163,051.03x = 22,166,294,510.01
  5. Step 5: Solve for x
    x = 22,166,294,510.01/163,051.03
  6. Step 6: Final answer
    x = 135,946.98

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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.