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Finding the Fourth Proportional to 105,510.15, 145,607.94 and 60,195.51

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Solution

The fourth proportional to 105,510.15, 145,607.94 and 60,195.51 is: 83,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,510.15 : 145,607.94 = 60,195.51 : x
  2. Step 2: Convert to fraction form
    105,510.15/145,607.94 = 60,195.51/x
  3. Step 3: Cross multiply
    105,510.15x = 145,607.94 × 60,195.51
  4. Step 4: Simplify right side
    105,510.15x = 8,764,944,208.35
  5. Step 5: Solve for x
    x = 8,764,944,208.35/105,510.15
  6. Step 6: Final answer
    x = 83,072.05

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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.