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Finding the Fourth Proportional to 106,809.96, 147,398.74 and 59,066.56

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Solution

The fourth proportional to 106,809.96, 147,398.74 and 59,066.56 is: 81,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,809.96 : 147,398.74 = 59,066.56 : x
  2. Step 2: Convert to fraction form
    106,809.96/147,398.74 = 59,066.56/x
  3. Step 3: Cross multiply
    106,809.96x = 147,398.74 × 59,066.56
  4. Step 4: Simplify right side
    106,809.96x = 8,706,336,520.13
  5. Step 5: Solve for x
    x = 8,706,336,520.13/106,809.96
  6. Step 6: Final answer
    x = 81,512.40

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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.