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Finding the Fourth Proportional to 273,386,404.80, 410,079,607.20 and 111,774,628.80

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Solution

The fourth proportional to 273,386,404.80, 410,079,607.20 and 111,774,628.80 is: 167,661,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,386,404.80 : 410,079,607.20 = 111,774,628.80 : x
  2. Step 2: Convert to fraction form
    273,386,404.80/410,079,607.20 = 111,774,628.80/x
  3. Step 3: Cross multiply
    273,386,404.80x = 410,079,607.20 × 111,774,628.80
  4. Step 4: Simplify right side
    273,386,404.80x = 45,836,495,873,229,808
  5. Step 5: Solve for x
    x = 45,836,495,873,229,808/273,386,404.80
  6. Step 6: Final answer
    x = 167,661,943.20

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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.