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Finding the Fourth Proportional to 200,810.61, 301,023.81 and 74,416.91

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Solution

The fourth proportional to 200,810.61, 301,023.81 and 74,416.91 is: 111,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,810.61 : 301,023.81 = 74,416.91 : x
  2. Step 2: Convert to fraction form
    200,810.61/301,023.81 = 74,416.91/x
  3. Step 3: Cross multiply
    200,810.61x = 301,023.81 × 74,416.91
  4. Step 4: Simplify right side
    200,810.61x = 22,401,260,271.51
  5. Step 5: Solve for x
    x = 22,401,260,271.51/200,810.61
  6. Step 6: Final answer
    x = 111,554.17

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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.