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Finding the Fourth Proportional to 188,595,993.60, 260,107,200 and 111,259,008

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Solution

The fourth proportional to 188,595,993.60, 260,107,200 and 111,259,008 is: 153,445,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,595,993.60 : 260,107,200 = 111,259,008 : x
  2. Step 2: Convert to fraction form
    188,595,993.60/260,107,200 = 111,259,008/x
  3. Step 3: Cross multiply
    188,595,993.60x = 260,107,200 × 111,259,008
  4. Step 4: Simplify right side
    188,595,993.60x = 28,939,269,045,657,600
  5. Step 5: Solve for x
    x = 28,939,269,045,657,600/188,595,993.60
  6. Step 6: Final answer
    x = 153,445,831.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.