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Finding the Fourth Proportional to 173,362.10, 260,079.60 and 98,420.90

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Solution

The fourth proportional to 173,362.10, 260,079.60 and 98,420.90 is: 147,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,362.10 : 260,079.60 = 98,420.90 : x
  2. Step 2: Convert to fraction form
    173,362.10/260,079.60 = 98,420.90/x
  3. Step 3: Cross multiply
    173,362.10x = 260,079.60 × 98,420.90
  4. Step 4: Simplify right side
    173,362.10x = 25,597,268,303.64
  5. Step 5: Solve for x
    x = 25,597,268,303.64/173,362.10
  6. Step 6: Final answer
    x = 147,652.04

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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.