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Finding the Fourth Proportional to 268,498.94, 370,518.57 and 147,633.03

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Solution

The fourth proportional to 268,498.94, 370,518.57 and 147,633.03 is: 203,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,498.94 : 370,518.57 = 147,633.03 : x
  2. Step 2: Convert to fraction form
    268,498.94/370,518.57 = 147,633.03/x
  3. Step 3: Cross multiply
    268,498.94x = 370,518.57 × 147,633.03
  4. Step 4: Simplify right side
    268,498.94x = 54,700,779,160.37
  5. Step 5: Solve for x
    x = 54,700,779,160.37/268,498.94
  6. Step 6: Final answer
    x = 203,728.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.