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Finding the Fourth Proportional to 180,111.66, 270,070.29 and 127,623.66

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Solution

The fourth proportional to 180,111.66, 270,070.29 and 127,623.66 is: 191,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,111.66 : 270,070.29 = 127,623.66 : x
  2. Step 2: Convert to fraction form
    180,111.66/270,070.29 = 127,623.66/x
  3. Step 3: Cross multiply
    180,111.66x = 270,070.29 × 127,623.66
  4. Step 4: Simplify right side
    180,111.66x = 34,467,358,867.06
  5. Step 5: Solve for x
    x = 34,467,358,867.06/180,111.66
  6. Step 6: Final answer
    x = 191,366.62

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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.