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Finding the Fourth Proportional to 72,462,004.95, 108,693,007.43 and 72,462,004.95

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Solution

The fourth proportional to 72,462,004.95, 108,693,007.43 and 72,462,004.95 is: 108,693,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,462,004.95 : 108,693,007.43 = 72,462,004.95 : x
  2. Step 2: Convert to fraction form
    72,462,004.95/108,693,007.43 = 72,462,004.95/x
  3. Step 3: Cross multiply
    72,462,004.95x = 108,693,007.43 × 72,462,004.95
  4. Step 4: Simplify right side
    72,462,004.95x = 7,876,113,242,060,737
  5. Step 5: Solve for x
    x = 7,876,113,242,060,737/72,462,004.95
  6. Step 6: Final answer
    x = 108,693,007.43

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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.