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Finding the Fourth Proportional to 173,416.25, 260,145.21 and 61,073.25

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Solution

The fourth proportional to 173,416.25, 260,145.21 and 61,073.25 is: 91,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,416.25 : 260,145.21 = 61,073.25 : x
  2. Step 2: Convert to fraction form
    173,416.25/260,145.21 = 61,073.25/x
  3. Step 3: Cross multiply
    173,416.25x = 260,145.21 × 61,073.25
  4. Step 4: Simplify right side
    173,416.25x = 15,887,913,446.63
  5. Step 5: Solve for x
    x = 15,887,913,446.63/173,416.25
  6. Step 6: Final answer
    x = 91,617.22

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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.