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Finding the Fourth Proportional to 239,602.19, 359,365.16 and 79,664.82

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Solution

The fourth proportional to 239,602.19, 359,365.16 and 79,664.82 is: 119,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,602.19 : 359,365.16 = 79,664.82 : x
  2. Step 2: Convert to fraction form
    239,602.19/359,365.16 = 79,664.82/x
  3. Step 3: Cross multiply
    239,602.19x = 359,365.16 × 79,664.82
  4. Step 4: Simplify right side
    239,602.19x = 28,628,760,387.35
  5. Step 5: Solve for x
    x = 28,628,760,387.35/239,602.19
  6. Step 6: Final answer
    x = 119,484.55

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1.5x scale

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.