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Finding the Fourth Proportional to 144,689.95, 217,000.90 and 39,483.91

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Solution

The fourth proportional to 144,689.95, 217,000.90 and 39,483.91 is: 59,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,689.95 : 217,000.90 = 39,483.91 : x
  2. Step 2: Convert to fraction form
    144,689.95/217,000.90 = 39,483.91/x
  3. Step 3: Cross multiply
    144,689.95x = 217,000.90 × 39,483.91
  4. Step 4: Simplify right side
    144,689.95x = 8,568,044,005.52
  5. Step 5: Solve for x
    x = 8,568,044,005.52/144,689.95
  6. Step 6: Final answer
    x = 59,216.58

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1.5x scale

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.