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Finding the Fourth Proportional to 144,461.00, 216,777.20 and 65,574.09

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Solution

The fourth proportional to 144,461.00, 216,777.20 and 65,574.09 is: 98,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,461.00 : 216,777.20 = 65,574.09 : x
  2. Step 2: Convert to fraction form
    144,461.00/216,777.20 = 65,574.09/x
  3. Step 3: Cross multiply
    144,461.00x = 216,777.20 × 65,574.09
  4. Step 4: Simplify right side
    144,461.00x = 14,214,967,294.88
  5. Step 5: Solve for x
    x = 14,214,967,294.88/144,461.00
  6. Step 6: Final answer
    x = 98,400.03

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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.