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Finding the Fourth Proportional to 201,330.16, 277,828.54 and 110,685.47

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Solution

The fourth proportional to 201,330.16, 277,828.54 and 110,685.47 is: 152,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,330.16 : 277,828.54 = 110,685.47 : x
  2. Step 2: Convert to fraction form
    201,330.16/277,828.54 = 110,685.47/x
  3. Step 3: Cross multiply
    201,330.16x = 277,828.54 × 110,685.47
  4. Step 4: Simplify right side
    201,330.16x = 30,751,580,586.74
  5. Step 5: Solve for x
    x = 30,751,580,586.74/201,330.16
  6. Step 6: Final answer
    x = 152,742.05

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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.