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Finding the Fourth Proportional to 47,795,142.80, 71,560,003.80 and 46,468,038.80

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Solution

The fourth proportional to 47,795,142.80, 71,560,003.80 and 46,468,038.80 is: 69,573,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,795,142.80 : 71,560,003.80 = 46,468,038.80 : x
  2. Step 2: Convert to fraction form
    47,795,142.80/71,560,003.80 = 46,468,038.80/x
  3. Step 3: Cross multiply
    47,795,142.80x = 71,560,003.80 × 46,468,038.80
  4. Step 4: Simplify right side
    47,795,142.80x = 3,325,253,033,106,547
  5. Step 5: Solve for x
    x = 3,325,253,033,106,547/47,795,142.80
  6. Step 6: Final answer
    x = 69,573,032.70

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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.