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Finding the Fourth Proportional to 106,448.49, 146,899.89 and 58,703.49

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Solution

The fourth proportional to 106,448.49, 146,899.89 and 58,703.49 is: 81,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,448.49 : 146,899.89 = 58,703.49 : x
  2. Step 2: Convert to fraction form
    106,448.49/146,899.89 = 58,703.49/x
  3. Step 3: Cross multiply
    106,448.49x = 146,899.89 × 58,703.49
  4. Step 4: Simplify right side
    106,448.49x = 8,623,536,223.62
  5. Step 5: Solve for x
    x = 8,623,536,223.62/106,448.49
  6. Step 6: Final answer
    x = 81,011.35

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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.