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Finding the Fourth Proportional to 260,798.47, 359,877.67 and 147,621.22

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Solution

The fourth proportional to 260,798.47, 359,877.67 and 147,621.22 is: 203,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,798.47 : 359,877.67 = 147,621.22 : x
  2. Step 2: Convert to fraction form
    260,798.47/359,877.67 = 147,621.22/x
  3. Step 3: Cross multiply
    260,798.47x = 359,877.67 × 147,621.22
  4. Step 4: Simplify right side
    260,798.47x = 53,125,579,427.41
  5. Step 5: Solve for x
    x = 53,125,579,427.41/260,798.47
  6. Step 6: Final answer
    x = 203,703.57

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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.