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Finding the Fourth Proportional to 46,581,805.90, 69,872,708.85 and 46,581,805.90

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Solution

The fourth proportional to 46,581,805.90, 69,872,708.85 and 46,581,805.90 is: 69,872,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,581,805.90 : 69,872,708.85 = 46,581,805.90 : x
  2. Step 2: Convert to fraction form
    46,581,805.90/69,872,708.85 = 46,581,805.90/x
  3. Step 3: Cross multiply
    46,581,805.90x = 69,872,708.85 × 46,581,805.90
  4. Step 4: Simplify right side
    46,581,805.90x = 3,254,796,961,357,912
  5. Step 5: Solve for x
    x = 3,254,796,961,357,912/46,581,805.90
  6. Step 6: Final answer
    x = 69,872,708.85

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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.