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Finding the Fourth Proportional to 59,500.80, 89,266.04 and 42,004.80

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Solution

The fourth proportional to 59,500.80, 89,266.04 and 42,004.80 is: 63,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,500.80 : 89,266.04 = 42,004.80 : x
  2. Step 2: Convert to fraction form
    59,500.80/89,266.04 = 42,004.80/x
  3. Step 3: Cross multiply
    59,500.80x = 89,266.04 × 42,004.80
  4. Step 4: Simplify right side
    59,500.80x = 3,749,602,156.99
  5. Step 5: Solve for x
    x = 3,749,602,156.99/59,500.80
  6. Step 6: Final answer
    x = 63,017.68

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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.