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Finding the Fourth Proportional to 114,218.69, 171,339.52 and 39,328.93

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Solution

The fourth proportional to 114,218.69, 171,339.52 and 39,328.93 is: 58,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,218.69 : 171,339.52 = 39,328.93 : x
  2. Step 2: Convert to fraction form
    114,218.69/171,339.52 = 39,328.93/x
  3. Step 3: Cross multiply
    114,218.69x = 171,339.52 × 39,328.93
  4. Step 4: Simplify right side
    114,218.69x = 6,738,599,988.31
  5. Step 5: Solve for x
    x = 6,738,599,988.31/114,218.69
  6. Step 6: Final answer
    x = 58,997.35

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1.5x scale

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.