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Finding the Fourth Proportional to 158,537.54, 237,830.90 and 53,348.30

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Solution

The fourth proportional to 158,537.54, 237,830.90 and 53,348.30 is: 80,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,537.54 : 237,830.90 = 53,348.30 : x
  2. Step 2: Convert to fraction form
    158,537.54/237,830.90 = 53,348.30/x
  3. Step 3: Cross multiply
    158,537.54x = 237,830.90 × 53,348.30
  4. Step 4: Simplify right side
    158,537.54x = 12,687,872,746.57
  5. Step 5: Solve for x
    x = 12,687,872,746.57/158,537.54
  6. Step 6: Final answer
    x = 80,030.72

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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.