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Finding the Fourth Proportional to 104,655.81, 144,420.62 and 59,336.84

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Solution

The fourth proportional to 104,655.81, 144,420.62 and 59,336.84 is: 81,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.81 : 144,420.62 = 59,336.84 : x
  2. Step 2: Convert to fraction form
    104,655.81/144,420.62 = 59,336.84/x
  3. Step 3: Cross multiply
    104,655.81x = 144,420.62 × 59,336.84
  4. Step 4: Simplify right side
    104,655.81x = 8,569,463,604.43
  5. Step 5: Solve for x
    x = 8,569,463,604.43/104,655.81
  6. Step 6: Final answer
    x = 81,882.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.