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Finding the Fourth Proportional to 140,246.48, 210,369.72 and 35,065.46

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Solution

The fourth proportional to 140,246.48, 210,369.72 and 35,065.46 is: 52,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,246.48 : 210,369.72 = 35,065.46 : x
  2. Step 2: Convert to fraction form
    140,246.48/210,369.72 = 35,065.46/x
  3. Step 3: Cross multiply
    140,246.48x = 210,369.72 × 35,065.46
  4. Step 4: Simplify right side
    140,246.48x = 7,376,709,950.02
  5. Step 5: Solve for x
    x = 7,376,709,950.02/140,246.48
  6. Step 6: Final answer
    x = 52,598.18

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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.