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Finding the Fourth Proportional to 119,514.68, 164,928.93 and 65,798.59

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Solution

The fourth proportional to 119,514.68, 164,928.93 and 65,798.59 is: 90,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,514.68 : 164,928.93 = 65,798.59 : x
  2. Step 2: Convert to fraction form
    119,514.68/164,928.93 = 65,798.59/x
  3. Step 3: Cross multiply
    119,514.68x = 164,928.93 × 65,798.59
  4. Step 4: Simplify right side
    119,514.68x = 10,852,090,219.56
  5. Step 5: Solve for x
    x = 10,852,090,219.56/119,514.68
  6. Step 6: Final answer
    x = 90,801.32

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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.