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Finding the Fourth Proportional to 72,068,791.00, 108,275,646.06 and 46,211,752.13

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Solution

The fourth proportional to 72,068,791.00, 108,275,646.06 and 46,211,752.13 is: 69,428,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068,791.00 : 108,275,646.06 = 46,211,752.13 : x
  2. Step 2: Convert to fraction form
    72,068,791.00/108,275,646.06 = 46,211,752.13/x
  3. Step 3: Cross multiply
    72,068,791.00x = 108,275,646.06 × 46,211,752.13
  4. Step 4: Simplify right side
    72,068,791.00x = 5,003,607,317,028,808
  5. Step 5: Solve for x
    x = 5,003,607,317,028,808/72,068,791.00
  6. Step 6: Final answer
    x = 69,428,212.23

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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.