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Finding the Fourth Proportional to 112,761,657.60, 157,526,198.40 and 112,761,657.60

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Solution

The fourth proportional to 112,761,657.60, 157,526,198.40 and 112,761,657.60 is: 157,526,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,761,657.60 : 157,526,198.40 = 112,761,657.60 : x
  2. Step 2: Convert to fraction form
    112,761,657.60/157,526,198.40 = 112,761,657.60/x
  3. Step 3: Cross multiply
    112,761,657.60x = 157,526,198.40 × 112,761,657.60
  4. Step 4: Simplify right side
    112,761,657.60x = 17,762,915,247,010,468
  5. Step 5: Solve for x
    x = 17,762,915,247,010,468/112,761,657.60
  6. Step 6: Final answer
    x = 157,526,198.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.