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Finding the Fourth Proportional to 171,021.16, 256,298.46 and 104,484.52

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Solution

The fourth proportional to 171,021.16, 256,298.46 and 104,484.52 is: 156,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,021.16 : 256,298.46 = 104,484.52 : x
  2. Step 2: Convert to fraction form
    171,021.16/256,298.46 = 104,484.52/x
  3. Step 3: Cross multiply
    171,021.16x = 256,298.46 × 104,484.52
  4. Step 4: Simplify right side
    171,021.16x = 26,779,221,569.84
  5. Step 5: Solve for x
    x = 26,779,221,569.84/171,021.16
  6. Step 6: Final answer
    x = 156,584.26

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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.