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Finding the Fourth Proportional to 158,512.60, 237,768.90 and 102,525.40

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Solution

The fourth proportional to 158,512.60, 237,768.90 and 102,525.40 is: 153,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,512.60 : 237,768.90 = 102,525.40 : x
  2. Step 2: Convert to fraction form
    158,512.60/237,768.90 = 102,525.40/x
  3. Step 3: Cross multiply
    158,512.60x = 237,768.90 × 102,525.40
  4. Step 4: Simplify right side
    158,512.60x = 24,377,351,580.06
  5. Step 5: Solve for x
    x = 24,377,351,580.06/158,512.60
  6. Step 6: Final answer
    x = 153,788.10

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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.