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Finding the Fourth Proportional to 105,655.79, 158,486.22 and 35,535.11

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Solution

The fourth proportional to 105,655.79, 158,486.22 and 35,535.11 is: 53,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,655.79 : 158,486.22 = 35,535.11 : x
  2. Step 2: Convert to fraction form
    105,655.79/158,486.22 = 35,535.11/x
  3. Step 3: Cross multiply
    105,655.79x = 158,486.22 × 35,535.11
  4. Step 4: Simplify right side
    105,655.79x = 5,631,824,468.75
  5. Step 5: Solve for x
    x = 5,631,824,468.75/105,655.79
  6. Step 6: Final answer
    x = 53,303.51

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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.