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Finding the Fourth Proportional to 162,802,455.80, 224,668,807.98 and 88,463,016.09

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Solution

The fourth proportional to 162,802,455.80, 224,668,807.98 and 88,463,016.09 is: 122,079,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,802,455.80 : 224,668,807.98 = 88,463,016.09 : x
  2. Step 2: Convert to fraction form
    162,802,455.80/224,668,807.98 = 88,463,016.09/x
  3. Step 3: Cross multiply
    162,802,455.80x = 224,668,807.98 × 88,463,016.09
  4. Step 4: Simplify right side
    162,802,455.80x = 19,874,880,375,255,860
  5. Step 5: Solve for x
    x = 19,874,880,375,255,860/162,802,455.80
  6. Step 6: Final answer
    x = 122,079,733.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.