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Finding the Fourth Proportional to 106,860, 147,454.04 and 59,106.86

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Solution

The fourth proportional to 106,860, 147,454.04 and 59,106.86 is: 81,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860 : 147,454.04 = 59,106.86 : x
  2. Step 2: Convert to fraction form
    106,860/147,454.04 = 59,106.86/x
  3. Step 3: Cross multiply
    106,860x = 147,454.04 × 59,106.86
  4. Step 4: Simplify right side
    106,860x = 8,715,544,709.21
  5. Step 5: Solve for x
    x = 8,715,544,709.21/106,860
  6. Step 6: Final answer
    x = 81,560.40

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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.