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Finding the Fourth Proportional to 252,907.98, 349,008.93 and 138,184.17

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Solution

The fourth proportional to 252,907.98, 349,008.93 and 138,184.17 is: 190,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,907.98 : 349,008.93 = 138,184.17 : x
  2. Step 2: Convert to fraction form
    252,907.98/349,008.93 = 138,184.17/x
  3. Step 3: Cross multiply
    252,907.98x = 349,008.93 × 138,184.17
  4. Step 4: Simplify right side
    252,907.98x = 48,227,509,314.64
  5. Step 5: Solve for x
    x = 48,227,509,314.64/252,907.98
  6. Step 6: Final answer
    x = 190,691.92

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1.5x scale

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.