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Finding the Fourth Proportional to 136,751,322.70, 205,126,984.05 and 41,013,210.70

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Solution

The fourth proportional to 136,751,322.70, 205,126,984.05 and 41,013,210.70 is: 61,519,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,751,322.70 : 205,126,984.05 = 41,013,210.70 : x
  2. Step 2: Convert to fraction form
    136,751,322.70/205,126,984.05 = 41,013,210.70/x
  3. Step 3: Cross multiply
    136,751,322.70x = 205,126,984.05 × 41,013,210.70
  4. Step 4: Simplify right side
    136,751,322.70x = 8,412,916,217,098,190
  5. Step 5: Solve for x
    x = 8,412,916,217,098,190/136,751,322.70
  6. Step 6: Final answer
    x = 61,519,816.05

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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.