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Finding the Fourth Proportional to 173,915.51, 240,022.74 and 97,447.05

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Solution

The fourth proportional to 173,915.51, 240,022.74 and 97,447.05 is: 134,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,915.51 : 240,022.74 = 97,447.05 : x
  2. Step 2: Convert to fraction form
    173,915.51/240,022.74 = 97,447.05/x
  3. Step 3: Cross multiply
    173,915.51x = 240,022.74 × 97,447.05
  4. Step 4: Simplify right side
    173,915.51x = 23,389,508,311.34
  5. Step 5: Solve for x
    x = 23,389,508,311.34/173,915.51
  6. Step 6: Final answer
    x = 134,487.77

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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.