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Finding the Fourth Proportional to 191,798.73, 264,795.65 and 170,519.10

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Solution

The fourth proportional to 191,798.73, 264,795.65 and 170,519.10 is: 235,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,798.73 : 264,795.65 = 170,519.10 : x
  2. Step 2: Convert to fraction form
    191,798.73/264,795.65 = 170,519.10/x
  3. Step 3: Cross multiply
    191,798.73x = 264,795.65 × 170,519.10
  4. Step 4: Simplify right side
    191,798.73x = 45,152,715,069.32
  5. Step 5: Solve for x
    x = 45,152,715,069.32/191,798.73
  6. Step 6: Final answer
    x = 235,417.17

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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.