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Finding the Fourth Proportional to 94,119.99, 129,886.32 and 53,831.34

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Solution

The fourth proportional to 94,119.99, 129,886.32 and 53,831.34 is: 74,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,119.99 : 129,886.32 = 53,831.34 : x
  2. Step 2: Convert to fraction form
    94,119.99/129,886.32 = 53,831.34/x
  3. Step 3: Cross multiply
    94,119.99x = 129,886.32 × 53,831.34
  4. Step 4: Simplify right side
    94,119.99x = 6,991,954,653.27
  5. Step 5: Solve for x
    x = 6,991,954,653.27/94,119.99
  6. Step 6: Final answer
    x = 74,287.67

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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.