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Finding the Fourth Proportional to 265,133.10, 397,700.48 and 65,453.51

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Solution

The fourth proportional to 265,133.10, 397,700.48 and 65,453.51 is: 98,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,133.10 : 397,700.48 = 65,453.51 : x
  2. Step 2: Convert to fraction form
    265,133.10/397,700.48 = 65,453.51/x
  3. Step 3: Cross multiply
    265,133.10x = 397,700.48 × 65,453.51
  4. Step 4: Simplify right side
    265,133.10x = 26,030,893,222.94
  5. Step 5: Solve for x
    x = 26,030,893,222.94/265,133.10
  6. Step 6: Final answer
    x = 98,180.47

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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.