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Finding the Fourth Proportional to 134,441,985.60, 201,662,978.40 and 107,568,129.60

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Solution

The fourth proportional to 134,441,985.60, 201,662,978.40 and 107,568,129.60 is: 161,352,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,441,985.60 : 201,662,978.40 = 107,568,129.60 : x
  2. Step 2: Convert to fraction form
    134,441,985.60/201,662,978.40 = 107,568,129.60/x
  3. Step 3: Cross multiply
    134,441,985.60x = 201,662,978.40 × 107,568,129.60
  4. Step 4: Simplify right side
    134,441,985.60x = 21,692,509,396,053,200
  5. Step 5: Solve for x
    x = 21,692,509,396,053,200/134,441,985.60
  6. Step 6: Final answer
    x = 161,352,194.40

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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.