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Finding the Fourth Proportional to 106,445.96, 146,893.38 and 58,703.72

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Solution

The fourth proportional to 106,445.96, 146,893.38 and 58,703.72 is: 81,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,445.96 : 146,893.38 = 58,703.72 : x
  2. Step 2: Convert to fraction form
    106,445.96/146,893.38 = 58,703.72/x
  3. Step 3: Cross multiply
    106,445.96x = 146,893.38 × 58,703.72
  4. Step 4: Simplify right side
    106,445.96x = 8,623,187,849.37
  5. Step 5: Solve for x
    x = 8,623,187,849.37/106,445.96
  6. Step 6: Final answer
    x = 81,010.01

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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.