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Finding the Fourth Proportional to 468,483.72, 702,712.82 and 131,527.16

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Solution

The fourth proportional to 468,483.72, 702,712.82 and 131,527.16 is: 197,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,483.72 : 702,712.82 = 131,527.16 : x
  2. Step 2: Convert to fraction form
    468,483.72/702,712.82 = 131,527.16/x
  3. Step 3: Cross multiply
    468,483.72x = 702,712.82 × 131,527.16
  4. Step 4: Simplify right side
    468,483.72x = 92,425,821,510.19
  5. Step 5: Solve for x
    x = 92,425,821,510.19/468,483.72
  6. Step 6: Final answer
    x = 197,287.16

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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.