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Finding the Fourth Proportional to 140,526.85, 210,788.25 and 35,345.11

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Solution

The fourth proportional to 140,526.85, 210,788.25 and 35,345.11 is: 53,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,526.85 : 210,788.25 = 35,345.11 : x
  2. Step 2: Convert to fraction form
    140,526.85/210,788.25 = 35,345.11/x
  3. Step 3: Cross multiply
    140,526.85x = 210,788.25 × 35,345.11
  4. Step 4: Simplify right side
    140,526.85x = 7,450,333,882.96
  5. Step 5: Solve for x
    x = 7,450,333,882.96/140,526.85
  6. Step 6: Final answer
    x = 53,017.16

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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.