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Finding the Fourth Proportional to 124,437,989.60, 173,810,077.60 and 124,437,989.60

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Solution

The fourth proportional to 124,437,989.60, 173,810,077.60 and 124,437,989.60 is: 173,810,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,437,989.60 : 173,810,077.60 = 124,437,989.60 : x
  2. Step 2: Convert to fraction form
    124,437,989.60/173,810,077.60 = 124,437,989.60/x
  3. Step 3: Cross multiply
    124,437,989.60x = 173,810,077.60 × 124,437,989.60
  4. Step 4: Simplify right side
    124,437,989.60x = 21,628,576,628,763,992
  5. Step 5: Solve for x
    x = 21,628,576,628,763,992/124,437,989.60
  6. Step 6: Final answer
    x = 173,810,077.60

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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.