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Finding the Fourth Proportional to 163,392,428.80, 244,836,700.80 and 141,725,382.40

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Solution

The fourth proportional to 163,392,428.80, 244,836,700.80 and 141,725,382.40 is: 212,369,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,392,428.80 : 244,836,700.80 = 141,725,382.40 : x
  2. Step 2: Convert to fraction form
    163,392,428.80/244,836,700.80 = 141,725,382.40/x
  3. Step 3: Cross multiply
    163,392,428.80x = 244,836,700.80 × 141,725,382.40
  4. Step 4: Simplify right side
    163,392,428.80x = 34,699,575,046,434,388
  5. Step 5: Solve for x
    x = 34,699,575,046,434,388/163,392,428.80
  6. Step 6: Final answer
    x = 212,369,540.63

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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.