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Finding the Fourth Proportional to 98,493.48, 147,739.26 and 24,621.48

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Solution

The fourth proportional to 98,493.48, 147,739.26 and 24,621.48 is: 36,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,493.48 : 147,739.26 = 24,621.48 : x
  2. Step 2: Convert to fraction form
    98,493.48/147,739.26 = 24,621.48/x
  3. Step 3: Cross multiply
    98,493.48x = 147,739.26 × 24,621.48
  4. Step 4: Simplify right side
    98,493.48x = 3,637,559,235.30
  5. Step 5: Solve for x
    x = 3,637,559,235.30/98,493.48
  6. Step 6: Final answer
    x = 36,931.98

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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.