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Finding the Fourth Proportional to 163,309,323.70, 244,963,985.55 and 108,889,765.30

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Solution

The fourth proportional to 163,309,323.70, 244,963,985.55 and 108,889,765.30 is: 163,334,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,309,323.70 : 244,963,985.55 = 108,889,765.30 : x
  2. Step 2: Convert to fraction form
    163,309,323.70/244,963,985.55 = 108,889,765.30/x
  3. Step 3: Cross multiply
    163,309,323.70x = 244,963,985.55 × 108,889,765.30
  4. Step 4: Simplify right side
    163,309,323.70x = 26,674,070,893,492,092
  5. Step 5: Solve for x
    x = 26,674,070,893,492,092/163,309,323.70
  6. Step 6: Final answer
    x = 163,334,647.95

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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.