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Finding the Fourth Proportional to 143,810.38, 215,763.40 and 63,837.25

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Solution

The fourth proportional to 143,810.38, 215,763.40 and 63,837.25 is: 95,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,810.38 : 215,763.40 = 63,837.25 : x
  2. Step 2: Convert to fraction form
    143,810.38/215,763.40 = 63,837.25/x
  3. Step 3: Cross multiply
    143,810.38x = 215,763.40 × 63,837.25
  4. Step 4: Simplify right side
    143,810.38x = 13,773,742,106.65
  5. Step 5: Solve for x
    x = 13,773,742,106.65/143,810.38
  6. Step 6: Final answer
    x = 95,777.11

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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.