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Finding the Fourth Proportional to 236,492.36, 354,527.57 and 86,697.67

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Solution

The fourth proportional to 236,492.36, 354,527.57 and 86,697.67 is: 129,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,492.36 : 354,527.57 = 86,697.67 : x
  2. Step 2: Convert to fraction form
    236,492.36/354,527.57 = 86,697.67/x
  3. Step 3: Cross multiply
    236,492.36x = 354,527.57 × 86,697.67
  4. Step 4: Simplify right side
    236,492.36x = 30,736,713,600.19
  5. Step 5: Solve for x
    x = 30,736,713,600.19/236,492.36
  6. Step 6: Final answer
    x = 129,969.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.