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Finding the Fourth Proportional to 110,946, 153,105.48 and 60,645

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Solution

The fourth proportional to 110,946, 153,105.48 and 60,645 is: 83,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,946 : 153,105.48 = 60,645 : x
  2. Step 2: Convert to fraction form
    110,946/153,105.48 = 60,645/x
  3. Step 3: Cross multiply
    110,946x = 153,105.48 × 60,645
  4. Step 4: Simplify right side
    110,946x = 9,285,081,834.60
  5. Step 5: Solve for x
    x = 9,285,081,834.60/110,946
  6. Step 6: Final answer
    x = 83,690.10

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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.