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Finding the Fourth Proportional to 84,223.80, 116,223.86 and 45,975.74

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Solution

The fourth proportional to 84,223.80, 116,223.86 and 45,975.74 is: 63,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,223.80 : 116,223.86 = 45,975.74 : x
  2. Step 2: Convert to fraction form
    84,223.80/116,223.86 = 45,975.74/x
  3. Step 3: Cross multiply
    84,223.80x = 116,223.86 × 45,975.74
  4. Step 4: Simplify right side
    84,223.80x = 5,343,477,502.98
  5. Step 5: Solve for x
    x = 5,343,477,502.98/84,223.80
  6. Step 6: Final answer
    x = 63,443.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.