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Finding the Fourth Proportional to 201,362.40, 277,881.16 and 110,724.20

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Solution

The fourth proportional to 201,362.40, 277,881.16 and 110,724.20 is: 152,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,362.40 : 277,881.16 = 110,724.20 : x
  2. Step 2: Convert to fraction form
    201,362.40/277,881.16 = 110,724.20/x
  3. Step 3: Cross multiply
    201,362.40x = 277,881.16 × 110,724.20
  4. Step 4: Simplify right side
    201,362.40x = 30,768,169,136.07
  5. Step 5: Solve for x
    x = 30,768,169,136.07/201,362.40
  6. Step 6: Final answer
    x = 152,799.97

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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.