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Finding the Fourth Proportional to 214,953.80, 296,629.79 and 123,070.01

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Solution

The fourth proportional to 214,953.80, 296,629.79 and 123,070.01 is: 169,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,953.80 : 296,629.79 = 123,070.01 : x
  2. Step 2: Convert to fraction form
    214,953.80/296,629.79 = 123,070.01/x
  3. Step 3: Cross multiply
    214,953.80x = 296,629.79 × 123,070.01
  4. Step 4: Simplify right side
    214,953.80x = 36,506,229,123.10
  5. Step 5: Solve for x
    x = 36,506,229,123.10/214,953.80
  6. Step 6: Final answer
    x = 169,832.91

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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.