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Finding the Fourth Proportional to 238,465.50, 329,100.70 and 136,522.95

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Solution

The fourth proportional to 238,465.50, 329,100.70 and 136,522.95 is: 188,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,465.50 : 329,100.70 = 136,522.95 : x
  2. Step 2: Convert to fraction form
    238,465.50/329,100.70 = 136,522.95/x
  3. Step 3: Cross multiply
    238,465.50x = 329,100.70 × 136,522.95
  4. Step 4: Simplify right side
    238,465.50x = 44,929,798,411.07
  5. Step 5: Solve for x
    x = 44,929,798,411.07/238,465.50
  6. Step 6: Final answer
    x = 188,412.15

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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.