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Finding the Fourth Proportional to 98,647.66, 136,101.63 and 60,367.26

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Solution

The fourth proportional to 98,647.66, 136,101.63 and 60,367.26 is: 83,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,647.66 : 136,101.63 = 60,367.26 : x
  2. Step 2: Convert to fraction form
    98,647.66/136,101.63 = 60,367.26/x
  3. Step 3: Cross multiply
    98,647.66x = 136,101.63 × 60,367.26
  4. Step 4: Simplify right side
    98,647.66x = 8,216,082,484.63
  5. Step 5: Solve for x
    x = 8,216,082,484.63/98,647.66
  6. Step 6: Final answer
    x = 83,287.15

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1.5x scale

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.