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Finding the Fourth Proportional to 162,574.40, 227,915.20 and 162,574.40

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Solution

The fourth proportional to 162,574.40, 227,915.20 and 162,574.40 is: 227,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,574.40 : 227,915.20 = 162,574.40 : x
  2. Step 2: Convert to fraction form
    162,574.40/227,915.20 = 162,574.40/x
  3. Step 3: Cross multiply
    162,574.40x = 227,915.20 × 162,574.40
  4. Step 4: Simplify right side
    162,574.40x = 37,053,176,890.88
  5. Step 5: Solve for x
    x = 37,053,176,890.88/162,574.40
  6. Step 6: Final answer
    x = 227,915.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.