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Finding the Fourth Proportional to 253,376.84, 349,666.44 and 152,781.32

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Solution

The fourth proportional to 253,376.84, 349,666.44 and 152,781.32 is: 210,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,376.84 : 349,666.44 = 152,781.32 : x
  2. Step 2: Convert to fraction form
    253,376.84/349,666.44 = 152,781.32/x
  3. Step 3: Cross multiply
    253,376.84x = 349,666.44 × 152,781.32
  4. Step 4: Simplify right side
    253,376.84x = 53,422,500,262.90
  5. Step 5: Solve for x
    x = 53,422,500,262.90/253,376.84
  6. Step 6: Final answer
    x = 210,842.08

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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.