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Finding the Fourth Proportional to 192,643,607.60, 289,437,270.60 and 144,867,863.60

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Solution

The fourth proportional to 192,643,607.60, 289,437,270.60 and 144,867,863.60 is: 217,656,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,643,607.60 : 289,437,270.60 = 144,867,863.60 : x
  2. Step 2: Convert to fraction form
    192,643,607.60/289,437,270.60 = 144,867,863.60/x
  3. Step 3: Cross multiply
    192,643,607.60x = 289,437,270.60 × 144,867,863.60
  4. Step 4: Simplify right side
    192,643,607.60x = 41,930,159,038,037,088
  5. Step 5: Solve for x
    x = 41,930,159,038,037,088/192,643,607.60
  6. Step 6: Final answer
    x = 217,656,633.20

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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.