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Finding the Fourth Proportional to 173,602.20, 260,403.30 and 98,952.60

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Solution

The fourth proportional to 173,602.20, 260,403.30 and 98,952.60 is: 148,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,602.20 : 260,403.30 = 98,952.60 : x
  2. Step 2: Convert to fraction form
    173,602.20/260,403.30 = 98,952.60/x
  3. Step 3: Cross multiply
    173,602.20x = 260,403.30 × 98,952.60
  4. Step 4: Simplify right side
    173,602.20x = 25,767,583,583.58
  5. Step 5: Solve for x
    x = 25,767,583,583.58/173,602.20
  6. Step 6: Final answer
    x = 148,428.90

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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.