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Finding the Fourth Proportional to 185,635.84, 256,116.48 and 105,055.36

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Solution

The fourth proportional to 185,635.84, 256,116.48 and 105,055.36 is: 144,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,635.84 : 256,116.48 = 105,055.36 : x
  2. Step 2: Convert to fraction form
    185,635.84/256,116.48 = 105,055.36/x
  3. Step 3: Cross multiply
    185,635.84x = 256,116.48 × 105,055.36
  4. Step 4: Simplify right side
    185,635.84x = 26,906,409,008.33
  5. Step 5: Solve for x
    x = 26,906,409,008.33/185,635.84
  6. Step 6: Final answer
    x = 144,941.89

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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.