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Finding the Fourth Proportional to 218,936, 302,132.04 and 118,334

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Solution

The fourth proportional to 218,936, 302,132.04 and 118,334 is: 163,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,936 : 302,132.04 = 118,334 : x
  2. Step 2: Convert to fraction form
    218,936/302,132.04 = 118,334/x
  3. Step 3: Cross multiply
    218,936x = 302,132.04 × 118,334
  4. Step 4: Simplify right side
    218,936x = 35,752,492,821.36
  5. Step 5: Solve for x
    x = 35,752,492,821.36/218,936
  6. Step 6: Final answer
    x = 163,301.11

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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.