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Finding the Fourth Proportional to 101,692,933.20, 152,539,399.80 and 25,014,963.60

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Solution

The fourth proportional to 101,692,933.20, 152,539,399.80 and 25,014,963.60 is: 37,522,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,692,933.20 : 152,539,399.80 = 25,014,963.60 : x
  2. Step 2: Convert to fraction form
    101,692,933.20/152,539,399.80 = 25,014,963.60/x
  3. Step 3: Cross multiply
    101,692,933.20x = 152,539,399.80 × 25,014,963.60
  4. Step 4: Simplify right side
    101,692,933.20x = 3,815,767,533,562,848
  5. Step 5: Solve for x
    x = 3,815,767,533,562,848/101,692,933.20
  6. Step 6: Final answer
    x = 37,522,445.40

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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.