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Finding the Fourth Proportional to 351,085.86, 526,643.37 and 114,430.59

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Solution

The fourth proportional to 351,085.86, 526,643.37 and 114,430.59 is: 171,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,085.86 : 526,643.37 = 114,430.59 : x
  2. Step 2: Convert to fraction form
    351,085.86/526,643.37 = 114,430.59/x
  3. Step 3: Cross multiply
    351,085.86x = 526,643.37 × 114,430.59
  4. Step 4: Simplify right side
    351,085.86x = 60,264,111,548.69
  5. Step 5: Solve for x
    x = 60,264,111,548.69/351,085.86
  6. Step 6: Final answer
    x = 171,650.64

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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.