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Finding the Fourth Proportional to 105,263.54, 156,541.50 and 101,941.19

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Solution

The fourth proportional to 105,263.54, 156,541.50 and 101,941.19 is: 151,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,263.54 : 156,541.50 = 101,941.19 : x
  2. Step 2: Convert to fraction form
    105,263.54/156,541.50 = 101,941.19/x
  3. Step 3: Cross multiply
    105,263.54x = 156,541.50 × 101,941.19
  4. Step 4: Simplify right side
    105,263.54x = 15,958,026,284.68
  5. Step 5: Solve for x
    x = 15,958,026,284.68/105,263.54
  6. Step 6: Final answer
    x = 151,600.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.