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Finding the Fourth Proportional to 102,625.10, 153,609.60 and 73,100.60

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Solution

The fourth proportional to 102,625.10, 153,609.60 and 73,100.60 is: 109,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,625.10 : 153,609.60 = 73,100.60 : x
  2. Step 2: Convert to fraction form
    102,625.10/153,609.60 = 73,100.60/x
  3. Step 3: Cross multiply
    102,625.10x = 153,609.60 × 73,100.60
  4. Step 4: Simplify right side
    102,625.10x = 11,228,953,925.76
  5. Step 5: Solve for x
    x = 11,228,953,925.76/102,625.10
  6. Step 6: Final answer
    x = 109,417.23

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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.