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Finding the Fourth Proportional to 72,036, 99,411.02 and 41,838.10

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Solution

The fourth proportional to 72,036, 99,411.02 and 41,838.10 is: 57,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036 : 99,411.02 = 41,838.10 : x
  2. Step 2: Convert to fraction form
    72,036/99,411.02 = 41,838.10/x
  3. Step 3: Cross multiply
    72,036x = 99,411.02 × 41,838.10
  4. Step 4: Simplify right side
    72,036x = 4,159,168,195.86
  5. Step 5: Solve for x
    x = 4,159,168,195.86/72,036
  6. Step 6: Final answer
    x = 57,737.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.