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Finding the Fourth Proportional to 34,778,971.20, 52,168,456.80 and 34,778,971.20

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Solution

The fourth proportional to 34,778,971.20, 52,168,456.80 and 34,778,971.20 is: 52,168,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778,971.20 : 52,168,456.80 = 34,778,971.20 : x
  2. Step 2: Convert to fraction form
    34,778,971.20/52,168,456.80 = 34,778,971.20/x
  3. Step 3: Cross multiply
    34,778,971.20x = 52,168,456.80 × 34,778,971.20
  4. Step 4: Simplify right side
    34,778,971.20x = 1,814,365,256,595,644.25
  5. Step 5: Solve for x
    x = 1,814,365,256,595,644.25/34,778,971.20
  6. Step 6: Final answer
    x = 52,168,456.80

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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.