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Finding the Fourth Proportional to 152,841.40, 228,824.70 and 135,345.40

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Solution

The fourth proportional to 152,841.40, 228,824.70 and 135,345.40 is: 202,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,841.40 : 228,824.70 = 135,345.40 : x
  2. Step 2: Convert to fraction form
    152,841.40/228,824.70 = 135,345.40/x
  3. Step 3: Cross multiply
    152,841.40x = 228,824.70 × 135,345.40
  4. Step 4: Simplify right side
    152,841.40x = 30,970,370,551.38
  5. Step 5: Solve for x
    x = 30,970,370,551.38/152,841.40
  6. Step 6: Final answer
    x = 202,630.77

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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.