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Finding the Fourth Proportional to 191,384.69, 264,106.96 and 119,804.18

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Solution

The fourth proportional to 191,384.69, 264,106.96 and 119,804.18 is: 165,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,384.69 : 264,106.96 = 119,804.18 : x
  2. Step 2: Convert to fraction form
    191,384.69/264,106.96 = 119,804.18/x
  3. Step 3: Cross multiply
    191,384.69x = 264,106.96 × 119,804.18
  4. Step 4: Simplify right side
    191,384.69x = 31,641,117,775.09
  5. Step 5: Solve for x
    x = 31,641,117,775.09/191,384.69
  6. Step 6: Final answer
    x = 165,327.32

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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.