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Finding the Fourth Proportional to 219,573.25, 303,007.15 and 124,077.90

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Solution

The fourth proportional to 219,573.25, 303,007.15 and 124,077.90 is: 171,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,573.25 : 303,007.15 = 124,077.90 : x
  2. Step 2: Convert to fraction form
    219,573.25/303,007.15 = 124,077.90/x
  3. Step 3: Cross multiply
    219,573.25x = 303,007.15 × 124,077.90
  4. Step 4: Simplify right side
    219,573.25x = 37,596,489,341.95
  5. Step 5: Solve for x
    x = 37,596,489,341.95/219,573.25
  6. Step 6: Final answer
    x = 171,225.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.