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Finding the Fourth Proportional to 146,802.70, 220,204.05 and 127,119.70

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Solution

The fourth proportional to 146,802.70, 220,204.05 and 127,119.70 is: 190,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,802.70 : 220,204.05 = 127,119.70 : x
  2. Step 2: Convert to fraction form
    146,802.70/220,204.05 = 127,119.70/x
  3. Step 3: Cross multiply
    146,802.70x = 220,204.05 × 127,119.70
  4. Step 4: Simplify right side
    146,802.70x = 27,992,272,774.79
  5. Step 5: Solve for x
    x = 27,992,272,774.79/146,802.70
  6. Step 6: Final answer
    x = 190,679.55

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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.