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Finding the Fourth Proportional to 295,108.40, 442,662.60 and 73,492.40

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Solution

The fourth proportional to 295,108.40, 442,662.60 and 73,492.40 is: 110,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,108.40 : 442,662.60 = 73,492.40 : x
  2. Step 2: Convert to fraction form
    295,108.40/442,662.60 = 73,492.40/x
  3. Step 3: Cross multiply
    295,108.40x = 442,662.60 × 73,492.40
  4. Step 4: Simplify right side
    295,108.40x = 32,532,336,864.24
  5. Step 5: Solve for x
    x = 32,532,336,864.24/295,108.40
  6. Step 6: Final answer
    x = 110,238.60

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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.