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Finding the Fourth Proportional to 114,950.34, 158,629.92 and 64,649.34

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Solution

The fourth proportional to 114,950.34, 158,629.92 and 64,649.34 is: 89,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,950.34 : 158,629.92 = 64,649.34 : x
  2. Step 2: Convert to fraction form
    114,950.34/158,629.92 = 64,649.34/x
  3. Step 3: Cross multiply
    114,950.34x = 158,629.92 × 64,649.34
  4. Step 4: Simplify right side
    114,950.34x = 10,255,319,632.25
  5. Step 5: Solve for x
    x = 10,255,319,632.25/114,950.34
  6. Step 6: Final answer
    x = 89,215.22

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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.