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Finding the Fourth Proportional to 89,646.01, 134,552.10 and 45,303.98

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Solution

The fourth proportional to 89,646.01, 134,552.10 and 45,303.98 is: 67,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,646.01 : 134,552.10 = 45,303.98 : x
  2. Step 2: Convert to fraction form
    89,646.01/134,552.10 = 45,303.98/x
  3. Step 3: Cross multiply
    89,646.01x = 134,552.10 × 45,303.98
  4. Step 4: Simplify right side
    89,646.01x = 6,095,745,144.49
  5. Step 5: Solve for x
    x = 6,095,745,144.49/89,646.01
  6. Step 6: Final answer
    x = 67,997.95

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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.