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Finding the Fourth Proportional to 107,168.32, 160,681.56 and 47,922.40

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Solution

The fourth proportional to 107,168.32, 160,681.56 and 47,922.40 is: 71,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,168.32 : 160,681.56 = 47,922.40 : x
  2. Step 2: Convert to fraction form
    107,168.32/160,681.56 = 47,922.40/x
  3. Step 3: Cross multiply
    107,168.32x = 160,681.56 × 47,922.40
  4. Step 4: Simplify right side
    107,168.32x = 7,700,245,990.94
  5. Step 5: Solve for x
    x = 7,700,245,990.94/107,168.32
  6. Step 6: Final answer
    x = 71,851.89

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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.