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Finding the Fourth Proportional to 186,245,559.06, 256,978,336.76 and 112,924,721.94

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Solution

The fourth proportional to 186,245,559.06, 256,978,336.76 and 112,924,721.94 is: 155,811,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,245,559.06 : 256,978,336.76 = 112,924,721.94 : x
  2. Step 2: Convert to fraction form
    186,245,559.06/256,978,336.76 = 112,924,721.94/x
  3. Step 3: Cross multiply
    186,245,559.06x = 256,978,336.76 × 112,924,721.94
  4. Step 4: Simplify right side
    186,245,559.06x = 29,019,207,223,226,680
  5. Step 5: Solve for x
    x = 29,019,207,223,226,680/186,245,559.06
  6. Step 6: Final answer
    x = 155,811,539.18

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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.