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Finding the Fourth Proportional to 191,208.74, 285,973.59 and 170,296.10

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Solution

The fourth proportional to 191,208.74, 285,973.59 and 170,296.10 is: 254,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,208.74 : 285,973.59 = 170,296.10 : x
  2. Step 2: Convert to fraction form
    191,208.74/285,973.59 = 170,296.10/x
  3. Step 3: Cross multiply
    191,208.74x = 285,973.59 × 170,296.10
  4. Step 4: Simplify right side
    191,208.74x = 48,700,187,080.00
  5. Step 5: Solve for x
    x = 48,700,187,080.00/191,208.74
  6. Step 6: Final answer
    x = 254,696.45

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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.