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Finding the Fourth Proportional to 46,114,978.79, 69,169,973.39 and 23,395,285.55

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Solution

The fourth proportional to 46,114,978.79, 69,169,973.39 and 23,395,285.55 is: 35,091,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,114,978.79 : 69,169,973.39 = 23,395,285.55 : x
  2. Step 2: Convert to fraction form
    46,114,978.79/69,169,973.39 = 23,395,285.55/x
  3. Step 3: Cross multiply
    46,114,978.79x = 69,169,973.39 × 23,395,285.55
  4. Step 4: Simplify right side
    46,114,978.79x = 1,618,251,279,088,632.25
  5. Step 5: Solve for x
    x = 1,618,251,279,088,632.25/46,114,978.79
  6. Step 6: Final answer
    x = 35,091,662.65

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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.