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Finding the Fourth Proportional to 243,053.70, 364,463.91 and 124,664.10

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Solution

The fourth proportional to 243,053.70, 364,463.91 and 124,664.10 is: 186,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,053.70 : 364,463.91 = 124,664.10 : x
  2. Step 2: Convert to fraction form
    243,053.70/364,463.91 = 124,664.10/x
  3. Step 3: Cross multiply
    243,053.70x = 364,463.91 × 124,664.10
  4. Step 4: Simplify right side
    243,053.70x = 45,435,565,322.63
  5. Step 5: Solve for x
    x = 45,435,565,322.63/243,053.70
  6. Step 6: Final answer
    x = 186,936.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.