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Finding the Fourth Proportional to 242,954.40, 364,258.80 and 93,136.80

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Solution

The fourth proportional to 242,954.40, 364,258.80 and 93,136.80 is: 139,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,954.40 : 364,258.80 = 93,136.80 : x
  2. Step 2: Convert to fraction form
    242,954.40/364,258.80 = 93,136.80/x
  3. Step 3: Cross multiply
    242,954.40x = 364,258.80 × 93,136.80
  4. Step 4: Simplify right side
    242,954.40x = 33,925,899,003.84
  5. Step 5: Solve for x
    x = 33,925,899,003.84/242,954.40
  6. Step 6: Final answer
    x = 139,638.96

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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.