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Finding the Fourth Proportional to 97,863.81, 146,818.70 and 30,392.40

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Solution

The fourth proportional to 97,863.81, 146,818.70 and 30,392.40 is: 45,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,863.81 : 146,818.70 = 30,392.40 : x
  2. Step 2: Convert to fraction form
    97,863.81/146,818.70 = 30,392.40/x
  3. Step 3: Cross multiply
    97,863.81x = 146,818.70 × 30,392.40
  4. Step 4: Simplify right side
    97,863.81x = 4,462,172,505.92
  5. Step 5: Solve for x
    x = 4,462,172,505.92/97,863.81
  6. Step 6: Final answer
    x = 45,595.74

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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.