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Finding the Fourth Proportional to 100,644.98, 150,973.95 and 59,004.50

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Solution

The fourth proportional to 100,644.98, 150,973.95 and 59,004.50 is: 88,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,644.98 : 150,973.95 = 59,004.50 : x
  2. Step 2: Convert to fraction form
    100,644.98/150,973.95 = 59,004.50/x
  3. Step 3: Cross multiply
    100,644.98x = 150,973.95 × 59,004.50
  4. Step 4: Simplify right side
    100,644.98x = 8,908,142,432.78
  5. Step 5: Solve for x
    x = 8,908,142,432.78/100,644.98
  6. Step 6: Final answer
    x = 88,510.55

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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.