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Finding the Fourth Proportional to 220,312.54, 304,032.32 and 124,837.84

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Solution

The fourth proportional to 220,312.54, 304,032.32 and 124,837.84 is: 172,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,312.54 : 304,032.32 = 124,837.84 : x
  2. Step 2: Convert to fraction form
    220,312.54/304,032.32 = 124,837.84/x
  3. Step 3: Cross multiply
    220,312.54x = 304,032.32 × 124,837.84
  4. Step 4: Simplify right side
    220,312.54x = 37,954,738,118.99
  5. Step 5: Solve for x
    x = 37,954,738,118.99/220,312.54
  6. Step 6: Final answer
    x = 172,276.79

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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.