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Finding the Fourth Proportional to 110,980.50, 153,156.87 and 60,682.74

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Solution

The fourth proportional to 110,980.50, 153,156.87 and 60,682.74 is: 83,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,980.50 : 153,156.87 = 60,682.74 : x
  2. Step 2: Convert to fraction form
    110,980.50/153,156.87 = 60,682.74/x
  3. Step 3: Cross multiply
    110,980.50x = 153,156.87 × 60,682.74
  4. Step 4: Simplify right side
    110,980.50x = 9,293,978,521.42
  5. Step 5: Solve for x
    x = 9,293,978,521.42/110,980.50
  6. Step 6: Final answer
    x = 83,744.25

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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.