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Finding the Fourth Proportional to 152,744.94, 210,778.50 and 92,279.86

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Solution

The fourth proportional to 152,744.94, 210,778.50 and 92,279.86 is: 127,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,744.94 : 210,778.50 = 92,279.86 : x
  2. Step 2: Convert to fraction form
    152,744.94/210,778.50 = 92,279.86/x
  3. Step 3: Cross multiply
    152,744.94x = 210,778.50 × 92,279.86
  4. Step 4: Simplify right side
    152,744.94x = 19,450,610,290.11
  5. Step 5: Solve for x
    x = 19,450,610,290.11/152,744.94
  6. Step 6: Final answer
    x = 127,340.46

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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.