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Finding the Fourth Proportional to 265,095.99, 397,594.59 and 85,184.53

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Solution

The fourth proportional to 265,095.99, 397,594.59 and 85,184.53 is: 127,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,095.99 : 397,594.59 = 85,184.53 : x
  2. Step 2: Convert to fraction form
    265,095.99/397,594.59 = 85,184.53/x
  3. Step 3: Cross multiply
    265,095.99x = 397,594.59 × 85,184.53
  4. Step 4: Simplify right side
    265,095.99x = 33,868,909,060.72
  5. Step 5: Solve for x
    x = 33,868,909,060.72/265,095.99
  6. Step 6: Final answer
    x = 127,760.93

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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.