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Finding the Fourth Proportional to 140,482.38, 210,707.82 and 35,301.54

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Solution

The fourth proportional to 140,482.38, 210,707.82 and 35,301.54 is: 52,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,482.38 : 210,707.82 = 35,301.54 : x
  2. Step 2: Convert to fraction form
    140,482.38/210,707.82 = 35,301.54/x
  3. Step 3: Cross multiply
    140,482.38x = 210,707.82 × 35,301.54
  4. Step 4: Simplify right side
    140,482.38x = 7,438,310,536.04
  5. Step 5: Solve for x
    x = 7,438,310,536.04/140,482.38
  6. Step 6: Final answer
    x = 52,948.35

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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.