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Finding the Fourth Proportional to 114,173.69, 157,572 and 66,453.35

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Solution

The fourth proportional to 114,173.69, 157,572 and 66,453.35 is: 91,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,173.69 : 157,572 = 66,453.35 : x
  2. Step 2: Convert to fraction form
    114,173.69/157,572 = 66,453.35/x
  3. Step 3: Cross multiply
    114,173.69x = 157,572 × 66,453.35
  4. Step 4: Simplify right side
    114,173.69x = 10,471,186,478.34
  5. Step 5: Solve for x
    x = 10,471,186,478.34/114,173.69
  6. Step 6: Final answer
    x = 91,712.78

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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.