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Finding the Fourth Proportional to 193,313.60, 289,970.40 and 179,316.80

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Solution

The fourth proportional to 193,313.60, 289,970.40 and 179,316.80 is: 268,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,313.60 : 289,970.40 = 179,316.80 : x
  2. Step 2: Convert to fraction form
    193,313.60/289,970.40 = 179,316.80/x
  3. Step 3: Cross multiply
    193,313.60x = 289,970.40 × 179,316.80
  4. Step 4: Simplify right side
    193,313.60x = 51,996,564,222.72
  5. Step 5: Solve for x
    x = 51,996,564,222.72/193,313.60
  6. Step 6: Final answer
    x = 268,975.20

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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.