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Finding the Fourth Proportional to 191,898.40, 264,928 and 133,068.10

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Solution

The fourth proportional to 191,898.40, 264,928 and 133,068.10 is: 183,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,898.40 : 264,928 = 133,068.10 : x
  2. Step 2: Convert to fraction form
    191,898.40/264,928 = 133,068.10/x
  3. Step 3: Cross multiply
    191,898.40x = 264,928 × 133,068.10
  4. Step 4: Simplify right side
    191,898.40x = 35,253,465,596.80
  5. Step 5: Solve for x
    x = 35,253,465,596.80/191,898.40
  6. Step 6: Final answer
    x = 183,709.01

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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.