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Finding the Fourth Proportional to 264,450.19, 364,931.30 and 143,588.86

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Solution

The fourth proportional to 264,450.19, 364,931.30 and 143,588.86 is: 198,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,450.19 : 364,931.30 = 143,588.86 : x
  2. Step 2: Convert to fraction form
    264,450.19/364,931.30 = 143,588.86/x
  3. Step 3: Cross multiply
    264,450.19x = 364,931.30 × 143,588.86
  4. Step 4: Simplify right side
    264,450.19x = 52,400,069,345.32
  5. Step 5: Solve for x
    x = 52,400,069,345.32/264,450.19
  6. Step 6: Final answer
    x = 198,147.22

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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.