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Finding the Fourth Proportional to 243,639.42, 365,521.40 and 101,437.41

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Solution

The fourth proportional to 243,639.42, 365,521.40 and 101,437.41 is: 152,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,639.42 : 365,521.40 = 101,437.41 : x
  2. Step 2: Convert to fraction form
    243,639.42/365,521.40 = 101,437.41/x
  3. Step 3: Cross multiply
    243,639.42x = 365,521.40 × 101,437.41
  4. Step 4: Simplify right side
    243,639.42x = 37,077,544,115.57
  5. Step 5: Solve for x
    x = 37,077,544,115.57/243,639.42
  6. Step 6: Final answer
    x = 152,182.04

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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.