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Finding the Fourth Proportional to 243,767.60, 365,651.40 and 164,051.45

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Solution

The fourth proportional to 243,767.60, 365,651.40 and 164,051.45 is: 246,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,767.60 : 365,651.40 = 164,051.45 : x
  2. Step 2: Convert to fraction form
    243,767.60/365,651.40 = 164,051.45/x
  3. Step 3: Cross multiply
    243,767.60x = 365,651.40 × 164,051.45
  4. Step 4: Simplify right side
    243,767.60x = 59,985,642,364.53
  5. Step 5: Solve for x
    x = 59,985,642,364.53/243,767.60
  6. Step 6: Final answer
    x = 246,077.18

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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.