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Finding the Fourth Proportional to 176,659,656.98, 264,866,773.10 and 78,237,731.02

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Solution

The fourth proportional to 176,659,656.98, 264,866,773.10 and 78,237,731.02 is: 117,302,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,659,656.98 : 264,866,773.10 = 78,237,731.02 : x
  2. Step 2: Convert to fraction form
    176,659,656.98/264,866,773.10 = 78,237,731.02/x
  3. Step 3: Cross multiply
    176,659,656.98x = 264,866,773.10 × 78,237,731.02
  4. Step 4: Simplify right side
    176,659,656.98x = 20,722,575,350,122,044
  5. Step 5: Solve for x
    x = 20,722,575,350,122,044/176,659,656.98
  6. Step 6: Final answer
    x = 117,302,250.58

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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.