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Finding the Fourth Proportional to 243,990.60, 365,876.55 and 110,802.30

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Solution

The fourth proportional to 243,990.60, 365,876.55 and 110,802.30 is: 166,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,990.60 : 365,876.55 = 110,802.30 : x
  2. Step 2: Convert to fraction form
    243,990.60/365,876.55 = 110,802.30/x
  3. Step 3: Cross multiply
    243,990.60x = 365,876.55 × 110,802.30
  4. Step 4: Simplify right side
    243,990.60x = 40,539,963,256.07
  5. Step 5: Solve for x
    x = 40,539,963,256.07/243,990.60
  6. Step 6: Final answer
    x = 166,153.79

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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.