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Finding the Fourth Proportional to 106,666.80, 147,199.26 and 58,923.48

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Solution

The fourth proportional to 106,666.80, 147,199.26 and 58,923.48 is: 81,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,666.80 : 147,199.26 = 58,923.48 : x
  2. Step 2: Convert to fraction form
    106,666.80/147,199.26 = 58,923.48/x
  3. Step 3: Cross multiply
    106,666.80x = 147,199.26 × 58,923.48
  4. Step 4: Simplify right side
    106,666.80x = 8,673,492,652.62
  5. Step 5: Solve for x
    x = 8,673,492,652.62/106,666.80
  6. Step 6: Final answer
    x = 81,313.89

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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.