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Finding the Fourth Proportional to 163,957,461.60, 245,936,192.40 and 50,490,069.60

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Solution

The fourth proportional to 163,957,461.60, 245,936,192.40 and 50,490,069.60 is: 75,735,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,957,461.60 : 245,936,192.40 = 50,490,069.60 : x
  2. Step 2: Convert to fraction form
    163,957,461.60/245,936,192.40 = 50,490,069.60/x
  3. Step 3: Cross multiply
    163,957,461.60x = 245,936,192.40 × 50,490,069.60
  4. Step 4: Simplify right side
    163,957,461.60x = 12,417,335,471,434,992
  5. Step 5: Solve for x
    x = 12,417,335,471,434,992/163,957,461.60
  6. Step 6: Final answer
    x = 75,735,104.40

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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.