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Finding the Fourth Proportional to 59,548.60, 89,246.10 and 45,628.60

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Solution

The fourth proportional to 59,548.60, 89,246.10 and 45,628.60 is: 68,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,548.60 : 89,246.10 = 45,628.60 : x
  2. Step 2: Convert to fraction form
    59,548.60/89,246.10 = 45,628.60/x
  3. Step 3: Cross multiply
    59,548.60x = 89,246.10 × 45,628.60
  4. Step 4: Simplify right side
    59,548.60x = 4,072,174,598.46
  5. Step 5: Solve for x
    x = 4,072,174,598.46/59,548.60
  6. Step 6: Final answer
    x = 68,384.05

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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.