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Finding the Fourth Proportional to 80,281, 110,762.94 and 46,285.17

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Solution

The fourth proportional to 80,281, 110,762.94 and 46,285.17 is: 63,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,281 : 110,762.94 = 46,285.17 : x
  2. Step 2: Convert to fraction form
    80,281/110,762.94 = 46,285.17/x
  3. Step 3: Cross multiply
    80,281x = 110,762.94 × 46,285.17
  4. Step 4: Simplify right side
    80,281x = 5,126,680,953.79
  5. Step 5: Solve for x
    x = 5,126,680,953.79/80,281
  6. Step 6: Final answer
    x = 63,859.21

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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.