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Finding the Fourth Proportional to 153,792,003.60, 214,905,697.20 and 153,792,003.60

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Solution

The fourth proportional to 153,792,003.60, 214,905,697.20 and 153,792,003.60 is: 214,905,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,792,003.60 : 214,905,697.20 = 153,792,003.60 : x
  2. Step 2: Convert to fraction form
    153,792,003.60/214,905,697.20 = 153,792,003.60/x
  3. Step 3: Cross multiply
    153,792,003.60x = 214,905,697.20 × 153,792,003.60
  4. Step 4: Simplify right side
    153,792,003.60x = 33,050,777,757,442,908
  5. Step 5: Solve for x
    x = 33,050,777,757,442,908/153,792,003.60
  6. Step 6: Final answer
    x = 214,905,697.20

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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.