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Finding the Fourth Proportional to 114,881.68, 158,550.96 and 64,580.68

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Solution

The fourth proportional to 114,881.68, 158,550.96 and 64,580.68 is: 89,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,881.68 : 158,550.96 = 64,580.68 : x
  2. Step 2: Convert to fraction form
    114,881.68/158,550.96 = 64,580.68/x
  3. Step 3: Cross multiply
    114,881.68x = 158,550.96 × 64,580.68
  4. Step 4: Simplify right side
    114,881.68x = 10,239,328,811.45
  5. Step 5: Solve for x
    x = 10,239,328,811.45/114,881.68
  6. Step 6: Final answer
    x = 89,129.34

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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.