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Finding the Fourth Proportional to 212,801.16, 319,248.39 and 63,053.22

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Solution

The fourth proportional to 212,801.16, 319,248.39 and 63,053.22 is: 94,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,801.16 : 319,248.39 = 63,053.22 : x
  2. Step 2: Convert to fraction form
    212,801.16/319,248.39 = 63,053.22/x
  3. Step 3: Cross multiply
    212,801.16x = 319,248.39 × 63,053.22
  4. Step 4: Simplify right side
    212,801.16x = 20,129,638,969.32
  5. Step 5: Solve for x
    x = 20,129,638,969.32/212,801.16
  6. Step 6: Final answer
    x = 94,593.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.