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Finding the Fourth Proportional to 114,507.70, 158,021.58 and 63,523.77

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Solution

The fourth proportional to 114,507.70, 158,021.58 and 63,523.77 is: 87,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,507.70 : 158,021.58 = 63,523.77 : x
  2. Step 2: Convert to fraction form
    114,507.70/158,021.58 = 63,523.77/x
  3. Step 3: Cross multiply
    114,507.70x = 158,021.58 × 63,523.77
  4. Step 4: Simplify right side
    114,507.70x = 10,038,126,502.96
  5. Step 5: Solve for x
    x = 10,038,126,502.96/114,507.70
  6. Step 6: Final answer
    x = 87,663.33

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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.