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Finding the Fourth Proportional to 152,358.68, 228,685.44 and 73,528.40

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Solution

The fourth proportional to 152,358.68, 228,685.44 and 73,528.40 is: 110,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,358.68 : 228,685.44 = 73,528.40 : x
  2. Step 2: Convert to fraction form
    152,358.68/228,685.44 = 73,528.40/x
  3. Step 3: Cross multiply
    152,358.68x = 228,685.44 × 73,528.40
  4. Step 4: Simplify right side
    152,358.68x = 16,814,874,506.50
  5. Step 5: Solve for x
    x = 16,814,874,506.50/152,358.68
  6. Step 6: Final answer
    x = 110,363.74

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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.