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Finding the Fourth Proportional to 109,999.13, 151,798.79 and 59,698.13

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Solution

The fourth proportional to 109,999.13, 151,798.79 and 59,698.13 is: 82,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,999.13 : 151,798.79 = 59,698.13 : x
  2. Step 2: Convert to fraction form
    109,999.13/151,798.79 = 59,698.13/x
  3. Step 3: Cross multiply
    109,999.13x = 151,798.79 × 59,698.13
  4. Step 4: Simplify right side
    109,999.13x = 9,062,103,289.51
  5. Step 5: Solve for x
    x = 9,062,103,289.51/109,999.13
  6. Step 6: Final answer
    x = 82,383.41

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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.