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Finding the Fourth Proportional to 105,366.66, 158,050.14 and 43,037.16

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Solution

The fourth proportional to 105,366.66, 158,050.14 and 43,037.16 is: 64,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,366.66 : 158,050.14 = 43,037.16 : x
  2. Step 2: Convert to fraction form
    105,366.66/158,050.14 = 43,037.16/x
  3. Step 3: Cross multiply
    105,366.66x = 158,050.14 × 43,037.16
  4. Step 4: Simplify right side
    105,366.66x = 6,802,028,409.13
  5. Step 5: Solve for x
    x = 6,802,028,409.13/105,366.66
  6. Step 6: Final answer
    x = 64,555.80

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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.