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Finding the Fourth Proportional to 271,783.45, 407,259.51 and 113,925.79

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Solution

The fourth proportional to 271,783.45, 407,259.51 and 113,925.79 is: 170,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,783.45 : 407,259.51 = 113,925.79 : x
  2. Step 2: Convert to fraction form
    271,783.45/407,259.51 = 113,925.79/x
  3. Step 3: Cross multiply
    271,783.45x = 407,259.51 × 113,925.79
  4. Step 4: Simplify right side
    271,783.45x = 46,397,361,411.76
  5. Step 5: Solve for x
    x = 46,397,361,411.76/271,783.45
  6. Step 6: Final answer
    x = 170,714.45

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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.