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Finding the Fourth Proportional to 127,448.16, 191,096.28 and 48,568.56

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Solution

The fourth proportional to 127,448.16, 191,096.28 and 48,568.56 is: 72,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,448.16 : 191,096.28 = 48,568.56 : x
  2. Step 2: Convert to fraction form
    127,448.16/191,096.28 = 48,568.56/x
  3. Step 3: Cross multiply
    127,448.16x = 191,096.28 × 48,568.56
  4. Step 4: Simplify right side
    127,448.16x = 9,281,271,140.96
  5. Step 5: Solve for x
    x = 9,281,271,140.96/127,448.16
  6. Step 6: Final answer
    x = 72,823.89

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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.