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Finding the Fourth Proportional to 105,048.88, 157,573.34 and 34,928.80

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Solution

The fourth proportional to 105,048.88, 157,573.34 and 34,928.80 is: 52,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048.88 : 157,573.34 = 34,928.80 : x
  2. Step 2: Convert to fraction form
    105,048.88/157,573.34 = 34,928.80/x
  3. Step 3: Cross multiply
    105,048.88x = 157,573.34 × 34,928.80
  4. Step 4: Simplify right side
    105,048.88x = 5,503,847,678.19
  5. Step 5: Solve for x
    x = 5,503,847,678.19/105,048.88
  6. Step 6: Final answer
    x = 52,393.21

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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.