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Finding the Fourth Proportional to 84,698.52, 127,123.92 and 62,237.76

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Solution

The fourth proportional to 84,698.52, 127,123.92 and 62,237.76 is: 93,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,698.52 : 127,123.92 = 62,237.76 : x
  2. Step 2: Convert to fraction form
    84,698.52/127,123.92 = 62,237.76/x
  3. Step 3: Cross multiply
    84,698.52x = 127,123.92 × 62,237.76
  4. Step 4: Simplify right side
    84,698.52x = 7,911,908,023.22
  5. Step 5: Solve for x
    x = 7,911,908,023.22/84,698.52
  6. Step 6: Final answer
    x = 93,412.59

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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.