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Finding the Fourth Proportional to 73,373,312.70, 110,059,969.05 and 69,786,085.95

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Solution

The fourth proportional to 73,373,312.70, 110,059,969.05 and 69,786,085.95 is: 104,679,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,373,312.70 : 110,059,969.05 = 69,786,085.95 : x
  2. Step 2: Convert to fraction form
    73,373,312.70/110,059,969.05 = 69,786,085.95/x
  3. Step 3: Cross multiply
    73,373,312.70x = 110,059,969.05 × 69,786,085.95
  4. Step 4: Simplify right side
    73,373,312.70x = 7,680,654,459,777,640
  5. Step 5: Solve for x
    x = 7,680,654,459,777,640/73,373,312.70
  6. Step 6: Final answer
    x = 104,679,128.93

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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.