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Finding the Fourth Proportional to 140,655.36, 210,975.72 and 35,475.24

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Solution

The fourth proportional to 140,655.36, 210,975.72 and 35,475.24 is: 53,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,655.36 : 210,975.72 = 35,475.24 : x
  2. Step 2: Convert to fraction form
    140,655.36/210,975.72 = 35,475.24/x
  3. Step 3: Cross multiply
    140,655.36x = 210,975.72 × 35,475.24
  4. Step 4: Simplify right side
    140,655.36x = 7,484,414,301.17
  5. Step 5: Solve for x
    x = 7,484,414,301.17/140,655.36
  6. Step 6: Final answer
    x = 53,211.01

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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.