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Finding the Fourth Proportional to 191,703.87, 264,547.80 and 104,489.73

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Solution

The fourth proportional to 191,703.87, 264,547.80 and 104,489.73 is: 144,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,703.87 : 264,547.80 = 104,489.73 : x
  2. Step 2: Convert to fraction form
    191,703.87/264,547.80 = 104,489.73/x
  3. Step 3: Cross multiply
    191,703.87x = 264,547.80 × 104,489.73
  4. Step 4: Simplify right side
    191,703.87x = 27,642,528,194.09
  5. Step 5: Solve for x
    x = 27,642,528,194.09/191,703.87
  6. Step 6: Final answer
    x = 144,193.90

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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.