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Finding the Fourth Proportional to 114,154.40, 171,231.60 and 40,282.40

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Solution

The fourth proportional to 114,154.40, 171,231.60 and 40,282.40 is: 60,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,154.40 : 171,231.60 = 40,282.40 : x
  2. Step 2: Convert to fraction form
    114,154.40/171,231.60 = 40,282.40/x
  3. Step 3: Cross multiply
    114,154.40x = 171,231.60 × 40,282.40
  4. Step 4: Simplify right side
    114,154.40x = 6,897,619,803.84
  5. Step 5: Solve for x
    x = 6,897,619,803.84/114,154.40
  6. Step 6: Final answer
    x = 60,423.60

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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.