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Finding the Fourth Proportional to 103,836.63, 155,820.56 and 59,549.88

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Solution

The fourth proportional to 103,836.63, 155,820.56 and 59,549.88 is: 89,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,836.63 : 155,820.56 = 59,549.88 : x
  2. Step 2: Convert to fraction form
    103,836.63/155,820.56 = 59,549.88/x
  3. Step 3: Cross multiply
    103,836.63x = 155,820.56 × 59,549.88
  4. Step 4: Simplify right side
    103,836.63x = 9,279,096,271.08
  5. Step 5: Solve for x
    x = 9,279,096,271.08/103,836.63
  6. Step 6: Final answer
    x = 89,362.45

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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.