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Finding the Fourth Proportional to 82,975,393.75, 114,503,040.76 and 45,804,875.67

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Solution

The fourth proportional to 82,975,393.75, 114,503,040.76 and 45,804,875.67 is: 63,209,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,975,393.75 : 114,503,040.76 = 45,804,875.67 : x
  2. Step 2: Convert to fraction form
    82,975,393.75/114,503,040.76 = 45,804,875.67/x
  3. Step 3: Cross multiply
    82,975,393.75x = 114,503,040.76 × 45,804,875.67
  4. Step 4: Simplify right side
    82,975,393.75x = 5,244,797,545,848,743
  5. Step 5: Solve for x
    x = 5,244,797,545,848,743/82,975,393.75
  6. Step 6: Final answer
    x = 63,209,070.89

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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.