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Finding the Fourth Proportional to 98,504.49, 147,519.99 and 56,256.63

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Solution

The fourth proportional to 98,504.49, 147,519.99 and 56,256.63 is: 84,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,504.49 : 147,519.99 = 56,256.63 : x
  2. Step 2: Convert to fraction form
    98,504.49/147,519.99 = 56,256.63/x
  3. Step 3: Cross multiply
    98,504.49x = 147,519.99 × 56,256.63
  4. Step 4: Simplify right side
    98,504.49x = 8,298,977,495.03
  5. Step 5: Solve for x
    x = 8,298,977,495.03/98,504.49
  6. Step 6: Final answer
    x = 84,249.74

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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.