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Finding the Fourth Proportional to 180,309.51, 248,748.89 and 108,648.81

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Solution

The fourth proportional to 180,309.51, 248,748.89 and 108,648.81 is: 149,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,309.51 : 248,748.89 = 108,648.81 : x
  2. Step 2: Convert to fraction form
    180,309.51/248,748.89 = 108,648.81/x
  3. Step 3: Cross multiply
    180,309.51x = 248,748.89 × 108,648.81
  4. Step 4: Simplify right side
    180,309.51x = 27,026,270,344.08
  5. Step 5: Solve for x
    x = 27,026,270,344.08/180,309.51
  6. Step 6: Final answer
    x = 149,888.21

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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.