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Finding the Fourth Proportional to 173,520.84, 239,457.40 and 97,040.05

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Solution

The fourth proportional to 173,520.84, 239,457.40 and 97,040.05 is: 133,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,520.84 : 239,457.40 = 97,040.05 : x
  2. Step 2: Convert to fraction form
    173,520.84/239,457.40 = 97,040.05/x
  3. Step 3: Cross multiply
    173,520.84x = 239,457.40 × 97,040.05
  4. Step 4: Simplify right side
    173,520.84x = 23,236,958,068.87
  5. Step 5: Solve for x
    x = 23,236,958,068.87/173,520.84
  6. Step 6: Final answer
    x = 133,914.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.