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Finding the Fourth Proportional to 144,277.99, 216,427.86 and 43,068.05

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Solution

The fourth proportional to 144,277.99, 216,427.86 and 43,068.05 is: 64,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,277.99 : 216,427.86 = 43,068.05 : x
  2. Step 2: Convert to fraction form
    144,277.99/216,427.86 = 43,068.05/x
  3. Step 3: Cross multiply
    144,277.99x = 216,427.86 × 43,068.05
  4. Step 4: Simplify right side
    144,277.99x = 9,321,124,598.39
  5. Step 5: Solve for x
    x = 9,321,124,598.39/144,277.99
  6. Step 6: Final answer
    x = 64,605.31

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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.