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Finding the Fourth Proportional to 253,477.30, 349,835.62 and 146,026.66

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Solution

The fourth proportional to 253,477.30, 349,835.62 and 146,026.66 is: 201,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,477.30 : 349,835.62 = 146,026.66 : x
  2. Step 2: Convert to fraction form
    253,477.30/349,835.62 = 146,026.66/x
  3. Step 3: Cross multiply
    253,477.30x = 349,835.62 × 146,026.66
  4. Step 4: Simplify right side
    253,477.30x = 51,085,327,137.63
  5. Step 5: Solve for x
    x = 51,085,327,137.63/253,477.30
  6. Step 6: Final answer
    x = 201,538.08

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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.