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Finding the Fourth Proportional to 173,662.40, 260,493.60 and 103,678.40

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Solution

The fourth proportional to 173,662.40, 260,493.60 and 103,678.40 is: 155,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,662.40 : 260,493.60 = 103,678.40 : x
  2. Step 2: Convert to fraction form
    173,662.40/260,493.60 = 103,678.40/x
  3. Step 3: Cross multiply
    173,662.40x = 260,493.60 × 103,678.40
  4. Step 4: Simplify right side
    173,662.40x = 27,007,559,658.24
  5. Step 5: Solve for x
    x = 27,007,559,658.24/173,662.40
  6. Step 6: Final answer
    x = 155,517.60

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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.