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Finding the Fourth Proportional to 114,888.50, 158,546.13 and 64,587.86

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Solution

The fourth proportional to 114,888.50, 158,546.13 and 64,587.86 is: 89,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,888.50 : 158,546.13 = 64,587.86 : x
  2. Step 2: Convert to fraction form
    114,888.50/158,546.13 = 64,587.86/x
  3. Step 3: Cross multiply
    114,888.50x = 158,546.13 × 64,587.86
  4. Step 4: Simplify right side
    114,888.50x = 10,240,155,247.98
  5. Step 5: Solve for x
    x = 10,240,155,247.98/114,888.50
  6. Step 6: Final answer
    x = 89,131.25

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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.