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Finding the Fourth Proportional to 273,927.82, 378,013.13 and 153,070.10

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Solution

The fourth proportional to 273,927.82, 378,013.13 and 153,070.10 is: 211,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,927.82 : 378,013.13 = 153,070.10 : x
  2. Step 2: Convert to fraction form
    273,927.82/378,013.13 = 153,070.10/x
  3. Step 3: Cross multiply
    273,927.82x = 378,013.13 × 153,070.10
  4. Step 4: Simplify right side
    273,927.82x = 57,862,507,807.58
  5. Step 5: Solve for x
    x = 57,862,507,807.58/273,927.82
  6. Step 6: Final answer
    x = 211,232.68

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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.