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Finding the Fourth Proportional to 114,041.33, 171,019.45 and 39,140.22

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Solution

The fourth proportional to 114,041.33, 171,019.45 and 39,140.22 is: 58,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,041.33 : 171,019.45 = 39,140.22 : x
  2. Step 2: Convert to fraction form
    114,041.33/171,019.45 = 39,140.22/x
  3. Step 3: Cross multiply
    114,041.33x = 171,019.45 × 39,140.22
  4. Step 4: Simplify right side
    114,041.33x = 6,693,738,897.28
  5. Step 5: Solve for x
    x = 6,693,738,897.28/114,041.33
  6. Step 6: Final answer
    x = 58,695.73

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Double scale
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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.