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Finding the Fourth Proportional to 95,661.66, 143,492.62 and 45,730.02

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Solution

The fourth proportional to 95,661.66, 143,492.62 and 45,730.02 is: 68,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,661.66 : 143,492.62 = 45,730.02 : x
  2. Step 2: Convert to fraction form
    95,661.66/143,492.62 = 45,730.02/x
  3. Step 3: Cross multiply
    95,661.66x = 143,492.62 × 45,730.02
  4. Step 4: Simplify right side
    95,661.66x = 6,561,920,382.45
  5. Step 5: Solve for x
    x = 6,561,920,382.45/95,661.66
  6. Step 6: Final answer
    x = 68,595.09

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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.