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Finding the Fourth Proportional to 201,448.01, 277,978.96 and 110,802.53

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Solution

The fourth proportional to 201,448.01, 277,978.96 and 110,802.53 is: 152,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,448.01 : 277,978.96 = 110,802.53 : x
  2. Step 2: Convert to fraction form
    201,448.01/277,978.96 = 110,802.53/x
  3. Step 3: Cross multiply
    201,448.01x = 277,978.96 × 110,802.53
  4. Step 4: Simplify right side
    201,448.01x = 30,800,772,054.77
  5. Step 5: Solve for x
    x = 30,800,772,054.77/201,448.01
  6. Step 6: Final answer
    x = 152,896.88

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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.