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Finding the Fourth Proportional to 192,386.90, 265,492.32 and 107,504.03

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Solution

The fourth proportional to 192,386.90, 265,492.32 and 107,504.03 is: 148,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,386.90 : 265,492.32 = 107,504.03 : x
  2. Step 2: Convert to fraction form
    192,386.90/265,492.32 = 107,504.03/x
  3. Step 3: Cross multiply
    192,386.90x = 265,492.32 × 107,504.03
  4. Step 4: Simplify right side
    192,386.90x = 28,541,494,594.64
  5. Step 5: Solve for x
    x = 28,541,494,594.64/192,386.90
  6. Step 6: Final answer
    x = 148,354.67

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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.