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Finding the Fourth Proportional to 95,402,299.80, 143,103,449.70 and 65,169,211.80

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Solution

The fourth proportional to 95,402,299.80, 143,103,449.70 and 65,169,211.80 is: 97,753,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,402,299.80 : 143,103,449.70 = 65,169,211.80 : x
  2. Step 2: Convert to fraction form
    95,402,299.80/143,103,449.70 = 65,169,211.80/x
  3. Step 3: Cross multiply
    95,402,299.80x = 143,103,449.70 × 65,169,211.80
  4. Step 4: Simplify right side
    95,402,299.80x = 9,325,939,022,809,946
  5. Step 5: Solve for x
    x = 9,325,939,022,809,946/95,402,299.80
  6. Step 6: Final answer
    x = 97,753,817.70

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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.