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Finding the Fourth Proportional to 202,802.70, 279,905.17 and 130,296.23

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Solution

The fourth proportional to 202,802.70, 279,905.17 and 130,296.23 is: 179,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,802.70 : 279,905.17 = 130,296.23 : x
  2. Step 2: Convert to fraction form
    202,802.70/279,905.17 = 130,296.23/x
  3. Step 3: Cross multiply
    202,802.70x = 279,905.17 × 130,296.23
  4. Step 4: Simplify right side
    202,802.70x = 36,470,588,408.51
  5. Step 5: Solve for x
    x = 36,470,588,408.51/202,802.70
  6. Step 6: Final answer
    x = 179,832.85

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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.