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Finding the Fourth Proportional to 140,501.51, 210,536.80 and 95,465.51

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Solution

The fourth proportional to 140,501.51, 210,536.80 and 95,465.51 is: 143,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,501.51 : 210,536.80 = 95,465.51 : x
  2. Step 2: Convert to fraction form
    140,501.51/210,536.80 = 95,465.51/x
  3. Step 3: Cross multiply
    140,501.51x = 210,536.80 × 95,465.51
  4. Step 4: Simplify right side
    140,501.51x = 20,099,001,694.42
  5. Step 5: Solve for x
    x = 20,099,001,694.42/140,501.51
  6. Step 6: Final answer
    x = 143,051.86

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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.