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Finding the Fourth Proportional to 107,108.45, 147,809.68 and 59,364.88

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Solution

The fourth proportional to 107,108.45, 147,809.68 and 59,364.88 is: 81,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,108.45 : 147,809.68 = 59,364.88 : x
  2. Step 2: Convert to fraction form
    107,108.45/147,809.68 = 59,364.88/x
  3. Step 3: Cross multiply
    107,108.45x = 147,809.68 × 59,364.88
  4. Step 4: Simplify right side
    107,108.45x = 8,774,703,619.21
  5. Step 5: Solve for x
    x = 8,774,703,619.21/107,108.45
  6. Step 6: Final answer
    x = 81,923.54

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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.