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Finding the Fourth Proportional to 163,909,340.80, 245,876,452.80 and 48,884,905.60

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Solution

The fourth proportional to 163,909,340.80, 245,876,452.80 and 48,884,905.60 is: 73,331,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,909,340.80 : 245,876,452.80 = 48,884,905.60 : x
  2. Step 2: Convert to fraction form
    163,909,340.80/245,876,452.80 = 48,884,905.60/x
  3. Step 3: Cross multiply
    163,909,340.80x = 245,876,452.80 × 48,884,905.60
  4. Step 4: Simplify right side
    163,909,340.80x = 12,019,647,184,390,856
  5. Step 5: Solve for x
    x = 12,019,647,184,390,856/163,909,340.80
  6. Step 6: Final answer
    x = 73,331,069.03

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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.