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Finding the Fourth Proportional to 46,656,239.70, 69,984,359.55 and 43,255,017.30

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Solution

The fourth proportional to 46,656,239.70, 69,984,359.55 and 43,255,017.30 is: 64,882,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,239.70 : 69,984,359.55 = 43,255,017.30 : x
  2. Step 2: Convert to fraction form
    46,656,239.70/69,984,359.55 = 43,255,017.30/x
  3. Step 3: Cross multiply
    46,656,239.70x = 69,984,359.55 × 43,255,017.30
  4. Step 4: Simplify right side
    46,656,239.70x = 3,027,174,683,064,670
  5. Step 5: Solve for x
    x = 3,027,174,683,064,670/46,656,239.70
  6. Step 6: Final answer
    x = 64,882,525.95

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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.