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Finding the Fourth Proportional to 178,681,569.30, 268,022,353.95 and 178,681,569.30

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Solution

The fourth proportional to 178,681,569.30, 268,022,353.95 and 178,681,569.30 is: 268,022,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,681,569.30 : 268,022,353.95 = 178,681,569.30 : x
  2. Step 2: Convert to fraction form
    178,681,569.30/268,022,353.95 = 178,681,569.30/x
  3. Step 3: Cross multiply
    178,681,569.30x = 268,022,353.95 × 178,681,569.30
  4. Step 4: Simplify right side
    178,681,569.30x = 47,890,654,811,266,056
  5. Step 5: Solve for x
    x = 47,890,654,811,266,056/178,681,569.30
  6. Step 6: Final answer
    x = 268,022,353.95

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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.