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Finding the Fourth Proportional to 235,410.76, 352,981.50 and 77,596.84

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Solution

The fourth proportional to 235,410.76, 352,981.50 and 77,596.84 is: 116,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,410.76 : 352,981.50 = 77,596.84 : x
  2. Step 2: Convert to fraction form
    235,410.76/352,981.50 = 77,596.84/x
  3. Step 3: Cross multiply
    235,410.76x = 352,981.50 × 77,596.84
  4. Step 4: Simplify right side
    235,410.76x = 27,390,248,978.46
  5. Step 5: Solve for x
    x = 27,390,248,978.46/235,410.76
  6. Step 6: Final answer
    x = 116,350.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.