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Finding the Fourth Proportional to 122,522,679.60, 183,784,019.40 and 94,781,459.40

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Solution

The fourth proportional to 122,522,679.60, 183,784,019.40 and 94,781,459.40 is: 142,172,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,522,679.60 : 183,784,019.40 = 94,781,459.40 : x
  2. Step 2: Convert to fraction form
    122,522,679.60/183,784,019.40 = 94,781,459.40/x
  3. Step 3: Cross multiply
    122,522,679.60x = 183,784,019.40 × 94,781,459.40
  4. Step 4: Simplify right side
    122,522,679.60x = 17,419,317,573,129,914
  5. Step 5: Solve for x
    x = 17,419,317,573,129,914/122,522,679.60
  6. Step 6: Final answer
    x = 142,172,189.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.