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Finding the Fourth Proportional to 105,007.16, 144,913.38 and 57,263.12

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Solution

The fourth proportional to 105,007.16, 144,913.38 and 57,263.12 is: 79,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007.16 : 144,913.38 = 57,263.12 : x
  2. Step 2: Convert to fraction form
    105,007.16/144,913.38 = 57,263.12/x
  3. Step 3: Cross multiply
    105,007.16x = 144,913.38 × 57,263.12
  4. Step 4: Simplify right side
    105,007.16x = 8,298,192,268.55
  5. Step 5: Solve for x
    x = 8,298,192,268.55/105,007.16
  6. Step 6: Final answer
    x = 79,025.01

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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.