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Finding the Fourth Proportional to 303,562,211.52, 418,915,763.52 and 164,332,870.08

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Solution

The fourth proportional to 303,562,211.52, 418,915,763.52 and 164,332,870.08 is: 226,779,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,562,211.52 : 418,915,763.52 = 164,332,870.08 : x
  2. Step 2: Convert to fraction form
    303,562,211.52/418,915,763.52 = 164,332,870.08/x
  3. Step 3: Cross multiply
    303,562,211.52x = 418,915,763.52 × 164,332,870.08
  4. Step 4: Simplify right side
    303,562,211.52x = 68,841,629,740,996,168
  5. Step 5: Solve for x
    x = 68,841,629,740,996,168/303,562,211.52
  6. Step 6: Final answer
    x = 226,779,312.87

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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.