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Finding the Fourth Proportional to 202,192.84, 279,081.54 and 117,337

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Solution

The fourth proportional to 202,192.84, 279,081.54 and 117,337 is: 161,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,192.84 : 279,081.54 = 117,337 : x
  2. Step 2: Convert to fraction form
    202,192.84/279,081.54 = 117,337/x
  3. Step 3: Cross multiply
    202,192.84x = 279,081.54 × 117,337
  4. Step 4: Simplify right side
    202,192.84x = 32,746,590,658.98
  5. Step 5: Solve for x
    x = 32,746,590,658.98/202,192.84
  6. Step 6: Final answer
    x = 161,957.22

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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.