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Finding the Fourth Proportional to 235,525.68, 325,026.96 and 128,096.49

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Solution

The fourth proportional to 235,525.68, 325,026.96 and 128,096.49 is: 176,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,525.68 : 325,026.96 = 128,096.49 : x
  2. Step 2: Convert to fraction form
    235,525.68/325,026.96 = 128,096.49/x
  3. Step 3: Cross multiply
    235,525.68x = 325,026.96 × 128,096.49
  4. Step 4: Simplify right side
    235,525.68x = 41,634,812,731.37
  5. Step 5: Solve for x
    x = 41,634,812,731.37/235,525.68
  6. Step 6: Final answer
    x = 176,773.98

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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.