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Finding the Fourth Proportional to 98,297.64, 147,427.02 and 28,184.04

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Solution

The fourth proportional to 98,297.64, 147,427.02 and 28,184.04 is: 42,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297.64 : 147,427.02 = 28,184.04 : x
  2. Step 2: Convert to fraction form
    98,297.64/147,427.02 = 28,184.04/x
  3. Step 3: Cross multiply
    98,297.64x = 147,427.02 × 28,184.04
  4. Step 4: Simplify right side
    98,297.64x = 4,155,089,028.76
  5. Step 5: Solve for x
    x = 4,155,089,028.76/98,297.64
  6. Step 6: Final answer
    x = 42,270.49

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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.