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Finding the Fourth Proportional to 173,712.30, 260,568.45 and 73,847.40

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Solution

The fourth proportional to 173,712.30, 260,568.45 and 73,847.40 is: 110,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,712.30 : 260,568.45 = 73,847.40 : x
  2. Step 2: Convert to fraction form
    173,712.30/260,568.45 = 73,847.40/x
  3. Step 3: Cross multiply
    173,712.30x = 260,568.45 × 73,847.40
  4. Step 4: Simplify right side
    173,712.30x = 19,242,302,554.53
  5. Step 5: Solve for x
    x = 19,242,302,554.53/173,712.30
  6. Step 6: Final answer
    x = 110,771.10

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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.