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Finding the Fourth Proportional to 153,527.76, 230,266.53 and 109,019.88

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Solution

The fourth proportional to 153,527.76, 230,266.53 and 109,019.88 is: 163,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,527.76 : 230,266.53 = 109,019.88 : x
  2. Step 2: Convert to fraction form
    153,527.76/230,266.53 = 109,019.88/x
  3. Step 3: Cross multiply
    153,527.76x = 230,266.53 × 109,019.88
  4. Step 4: Simplify right side
    153,527.76x = 25,103,629,468.62
  5. Step 5: Solve for x
    x = 25,103,629,468.62/153,527.76
  6. Step 6: Final answer
    x = 163,511.99

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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.