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Finding the Fourth Proportional to 169,548.50, 254,367.07 and 98,402.76

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Solution

The fourth proportional to 169,548.50, 254,367.07 and 98,402.76 is: 147,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,548.50 : 254,367.07 = 98,402.76 : x
  2. Step 2: Convert to fraction form
    169,548.50/254,367.07 = 98,402.76/x
  3. Step 3: Cross multiply
    169,548.50x = 254,367.07 × 98,402.76
  4. Step 4: Simplify right side
    169,548.50x = 25,030,421,495.11
  5. Step 5: Solve for x
    x = 25,030,421,495.11/169,548.50
  6. Step 6: Final answer
    x = 147,629.86

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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.