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Finding the Fourth Proportional to 107,573.98, 148,455.70 and 59,177.95

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Solution

The fourth proportional to 107,573.98, 148,455.70 and 59,177.95 is: 81,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,573.98 : 148,455.70 = 59,177.95 : x
  2. Step 2: Convert to fraction form
    107,573.98/148,455.70 = 59,177.95/x
  3. Step 3: Cross multiply
    107,573.98x = 148,455.70 × 59,177.95
  4. Step 4: Simplify right side
    107,573.98x = 8,785,303,805.61
  5. Step 5: Solve for x
    x = 8,785,303,805.61/107,573.98
  6. Step 6: Final answer
    x = 81,667.55

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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.