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Finding the Fourth Proportional to 235,526.91, 325,023.96 and 128,094.63

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Solution

The fourth proportional to 235,526.91, 325,023.96 and 128,094.63 is: 176,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,526.91 : 325,023.96 = 128,094.63 : x
  2. Step 2: Convert to fraction form
    235,526.91/325,023.96 = 128,094.63/x
  3. Step 3: Cross multiply
    235,526.91x = 325,023.96 × 128,094.63
  4. Step 4: Simplify right side
    235,526.91x = 41,633,823,897.33
  5. Step 5: Solve for x
    x = 41,633,823,897.33/235,526.91
  6. Step 6: Final answer
    x = 176,768.86

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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.