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Finding the Fourth Proportional to 114,508.34, 158,021.37 and 63,528.80

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Solution

The fourth proportional to 114,508.34, 158,021.37 and 63,528.80 is: 87,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,508.34 : 158,021.37 = 63,528.80 : x
  2. Step 2: Convert to fraction form
    114,508.34/158,021.37 = 63,528.80/x
  3. Step 3: Cross multiply
    114,508.34x = 158,021.37 × 63,528.80
  4. Step 4: Simplify right side
    114,508.34x = 10,038,907,220.35
  5. Step 5: Solve for x
    x = 10,038,907,220.35/114,508.34
  6. Step 6: Final answer
    x = 87,669.66

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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.