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Finding the Fourth Proportional to 169,368.76, 233,738.22 and 93,915.64

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Solution

The fourth proportional to 169,368.76, 233,738.22 and 93,915.64 is: 129,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,368.76 : 233,738.22 = 93,915.64 : x
  2. Step 2: Convert to fraction form
    169,368.76/233,738.22 = 93,915.64/x
  3. Step 3: Cross multiply
    169,368.76x = 233,738.22 × 93,915.64
  4. Step 4: Simplify right side
    169,368.76x = 21,951,674,523.76
  5. Step 5: Solve for x
    x = 21,951,674,523.76/169,368.76
  6. Step 6: Final answer
    x = 129,608.76

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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.