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Finding the Fourth Proportional to 264,303.65, 364,739.01 and 143,444.94

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Solution

The fourth proportional to 264,303.65, 364,739.01 and 143,444.94 is: 197,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,303.65 : 364,739.01 = 143,444.94 : x
  2. Step 2: Convert to fraction form
    264,303.65/364,739.01 = 143,444.94/x
  3. Step 3: Cross multiply
    264,303.65x = 364,739.01 × 143,444.94
  4. Step 4: Simplify right side
    264,303.65x = 52,319,965,405.11
  5. Step 5: Solve for x
    x = 52,319,965,405.11/264,303.65
  6. Step 6: Final answer
    x = 197,954.01

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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.