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Finding the Fourth Proportional to 92,473.63, 138,598.90 and 45,017.60

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Solution

The fourth proportional to 92,473.63, 138,598.90 and 45,017.60 is: 67,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,473.63 : 138,598.90 = 45,017.60 : x
  2. Step 2: Convert to fraction form
    92,473.63/138,598.90 = 45,017.60/x
  3. Step 3: Cross multiply
    92,473.63x = 138,598.90 × 45,017.60
  4. Step 4: Simplify right side
    92,473.63x = 6,239,389,035.10
  5. Step 5: Solve for x
    x = 6,239,389,035.10/92,473.63
  6. Step 6: Final answer
    x = 67,472.09

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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.