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Finding the Fourth Proportional to 163,598.96, 245,403.90 and 45,260.40

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Solution

The fourth proportional to 163,598.96, 245,403.90 and 45,260.40 is: 67,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,598.96 : 245,403.90 = 45,260.40 : x
  2. Step 2: Convert to fraction form
    163,598.96/245,403.90 = 45,260.40/x
  3. Step 3: Cross multiply
    163,598.96x = 245,403.90 × 45,260.40
  4. Step 4: Simplify right side
    163,598.96x = 11,107,078,675.56
  5. Step 5: Solve for x
    x = 11,107,078,675.56/163,598.96
  6. Step 6: Final answer
    x = 67,892.11

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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.