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Finding the Fourth Proportional to 157,122.82, 216,852.84 and 92,571.42

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Solution

The fourth proportional to 157,122.82, 216,852.84 and 92,571.42 is: 127,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,122.82 : 216,852.84 = 92,571.42 : x
  2. Step 2: Convert to fraction form
    157,122.82/216,852.84 = 92,571.42/x
  3. Step 3: Cross multiply
    157,122.82x = 216,852.84 × 92,571.42
  4. Step 4: Simplify right side
    157,122.82x = 20,074,374,648.49
  5. Step 5: Solve for x
    x = 20,074,374,648.49/157,122.82
  6. Step 6: Final answer
    x = 127,762.32

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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.