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Finding the Fourth Proportional to 262,707.04, 362,544.40 and 143,475.04

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Solution

The fourth proportional to 262,707.04, 362,544.40 and 143,475.04 is: 198,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,707.04 : 362,544.40 = 143,475.04 : x
  2. Step 2: Convert to fraction form
    262,707.04/362,544.40 = 143,475.04/x
  3. Step 3: Cross multiply
    262,707.04x = 362,544.40 × 143,475.04
  4. Step 4: Simplify right side
    262,707.04x = 52,016,072,291.78
  5. Step 5: Solve for x
    x = 52,016,072,291.78/262,707.04
  6. Step 6: Final answer
    x = 198,000.30

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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.