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Finding the Fourth Proportional to 245,008.60, 367,556.10 and 87,328.60

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Solution

The fourth proportional to 245,008.60, 367,556.10 and 87,328.60 is: 131,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,008.60 : 367,556.10 = 87,328.60 : x
  2. Step 2: Convert to fraction form
    245,008.60/367,556.10 = 87,328.60/x
  3. Step 3: Cross multiply
    245,008.60x = 367,556.10 × 87,328.60
  4. Step 4: Simplify right side
    245,008.60x = 32,098,159,634.46
  5. Step 5: Solve for x
    x = 32,098,159,634.46/245,008.60
  6. Step 6: Final answer
    x = 131,008.30

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1.5x scale

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.