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Finding the Fourth Proportional to 186,004.40, 278,423.40 and 133,516.40

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Solution

The fourth proportional to 186,004.40, 278,423.40 and 133,516.40 is: 199,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,004.40 : 278,423.40 = 133,516.40 : x
  2. Step 2: Convert to fraction form
    186,004.40/278,423.40 = 133,516.40/x
  3. Step 3: Cross multiply
    186,004.40x = 278,423.40 × 133,516.40
  4. Step 4: Simplify right side
    186,004.40x = 37,174,090,043.76
  5. Step 5: Solve for x
    x = 37,174,090,043.76/186,004.40
  6. Step 6: Final answer
    x = 199,855.97

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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.