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Finding the Fourth Proportional to 220,124.40, 330,186.60 and 114,975.60

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Solution

The fourth proportional to 220,124.40, 330,186.60 and 114,975.60 is: 172,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,124.40 : 330,186.60 = 114,975.60 : x
  2. Step 2: Convert to fraction form
    220,124.40/330,186.60 = 114,975.60/x
  3. Step 3: Cross multiply
    220,124.40x = 330,186.60 × 114,975.60
  4. Step 4: Simplify right side
    220,124.40x = 37,963,402,446.96
  5. Step 5: Solve for x
    x = 37,963,402,446.96/220,124.40
  6. Step 6: Final answer
    x = 172,463.40

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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.