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Finding the Fourth Proportional to 144,483.13, 216,702.82 and 39,310.30

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Solution

The fourth proportional to 144,483.13, 216,702.82 and 39,310.30 is: 58,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,483.13 : 216,702.82 = 39,310.30 : x
  2. Step 2: Convert to fraction form
    144,483.13/216,702.82 = 39,310.30/x
  3. Step 3: Cross multiply
    144,483.13x = 216,702.82 × 39,310.30
  4. Step 4: Simplify right side
    144,483.13x = 8,518,652,372.43
  5. Step 5: Solve for x
    x = 8,518,652,372.43/144,483.13
  6. Step 6: Final answer
    x = 58,959.50

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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.