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Finding the Fourth Proportional to 106,563.62, 147,047.33 and 58,813.90

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Solution

The fourth proportional to 106,563.62, 147,047.33 and 58,813.90 is: 81,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,563.62 : 147,047.33 = 58,813.90 : x
  2. Step 2: Convert to fraction form
    106,563.62/147,047.33 = 58,813.90/x
  3. Step 3: Cross multiply
    106,563.62x = 147,047.33 × 58,813.90
  4. Step 4: Simplify right side
    106,563.62x = 8,648,426,741.30
  5. Step 5: Solve for x
    x = 8,648,426,741.30/106,563.62
  6. Step 6: Final answer
    x = 81,157.40

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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.