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Finding the Fourth Proportional to 176,659,657.54, 264,866,773.94 and 78,237,731.59

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Solution

The fourth proportional to 176,659,657.54, 264,866,773.94 and 78,237,731.59 is: 117,302,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,659,657.54 : 264,866,773.94 = 78,237,731.59 : x
  2. Step 2: Convert to fraction form
    176,659,657.54/264,866,773.94 = 78,237,731.59/x
  3. Step 3: Cross multiply
    176,659,657.54x = 264,866,773.94 × 78,237,731.59
  4. Step 4: Simplify right side
    176,659,657.54x = 20,722,575,565,866,964
  5. Step 5: Solve for x
    x = 20,722,575,565,866,964/176,659,657.54
  6. Step 6: Final answer
    x = 117,302,251.43

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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.