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Finding the Fourth Proportional to 169,213.12, 233,538.60 and 97,578.88

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Solution

The fourth proportional to 169,213.12, 233,538.60 and 97,578.88 is: 134,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,213.12 : 233,538.60 = 97,578.88 : x
  2. Step 2: Convert to fraction form
    169,213.12/233,538.60 = 97,578.88/x
  3. Step 3: Cross multiply
    169,213.12x = 233,538.60 × 97,578.88
  4. Step 4: Simplify right side
    169,213.12x = 22,788,435,024.77
  5. Step 5: Solve for x
    x = 22,788,435,024.77/169,213.12
  6. Step 6: Final answer
    x = 134,672.98

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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.