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Finding the Fourth Proportional to 96,953.60, 145,401.60 and 37,755.20

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Solution

The fourth proportional to 96,953.60, 145,401.60 and 37,755.20 is: 56,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,953.60 : 145,401.60 = 37,755.20 : x
  2. Step 2: Convert to fraction form
    96,953.60/145,401.60 = 37,755.20/x
  3. Step 3: Cross multiply
    96,953.60x = 145,401.60 × 37,755.20
  4. Step 4: Simplify right side
    96,953.60x = 5,489,666,488.32
  5. Step 5: Solve for x
    x = 5,489,666,488.32/96,953.60
  6. Step 6: Final answer
    x = 56,621.58

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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.