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Finding the Fourth Proportional to 214,604, 296,153.52 and 139,153.04

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Solution

The fourth proportional to 214,604, 296,153.52 and 139,153.04 is: 192,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,604 : 296,153.52 = 139,153.04 : x
  2. Step 2: Convert to fraction form
    214,604/296,153.52 = 139,153.04/x
  3. Step 3: Cross multiply
    214,604x = 296,153.52 × 139,153.04
  4. Step 4: Simplify right side
    214,604x = 41,210,662,614.70
  5. Step 5: Solve for x
    x = 41,210,662,614.70/214,604
  6. Step 6: Final answer
    x = 192,031.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.