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Finding the Fourth Proportional to 201,196.40, 301,602.60 and 74,802.80

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Solution

The fourth proportional to 201,196.40, 301,602.60 and 74,802.80 is: 112,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,196.40 : 301,602.60 = 74,802.80 : x
  2. Step 2: Convert to fraction form
    201,196.40/301,602.60 = 74,802.80/x
  3. Step 3: Cross multiply
    201,196.40x = 301,602.60 × 74,802.80
  4. Step 4: Simplify right side
    201,196.40x = 22,560,718,967.28
  5. Step 5: Solve for x
    x = 22,560,718,967.28/201,196.40
  6. Step 6: Final answer
    x = 112,132.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.