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Finding the Fourth Proportional to 176,659,659.30, 264,866,776.56 and 78,237,733.34

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Solution

The fourth proportional to 176,659,659.30, 264,866,776.56 and 78,237,733.34 is: 117,302,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,659,659.30 : 264,866,776.56 = 78,237,733.34 : x
  2. Step 2: Convert to fraction form
    176,659,659.30/264,866,776.56 = 78,237,733.34/x
  3. Step 3: Cross multiply
    176,659,659.30x = 264,866,776.56 × 78,237,733.34
  4. Step 4: Simplify right side
    176,659,659.30x = 20,722,576,235,126,644
  5. Step 5: Solve for x
    x = 20,722,576,235,126,644/176,659,659.30
  6. Step 6: Final answer
    x = 117,302,254.05

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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.