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Finding the Fourth Proportional to 124,437,903.60, 173,809,957.20 and 124,437,903.60

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Solution

The fourth proportional to 124,437,903.60, 173,809,957.20 and 124,437,903.60 is: 173,809,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,437,903.60 : 173,809,957.20 = 124,437,903.60 : x
  2. Step 2: Convert to fraction form
    124,437,903.60/173,809,957.20 = 124,437,903.60/x
  3. Step 3: Cross multiply
    124,437,903.60x = 173,809,957.20 × 124,437,903.60
  4. Step 4: Simplify right side
    124,437,903.60x = 21,628,546,698,773,724
  5. Step 5: Solve for x
    x = 21,628,546,698,773,724/124,437,903.60
  6. Step 6: Final answer
    x = 173,809,957.20

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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.