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Finding the Fourth Proportional to 212,482.88, 293,425.44 and 133,133.12

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Solution

The fourth proportional to 212,482.88, 293,425.44 and 133,133.12 is: 183,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,482.88 : 293,425.44 = 133,133.12 : x
  2. Step 2: Convert to fraction form
    212,482.88/293,425.44 = 133,133.12/x
  3. Step 3: Cross multiply
    212,482.88x = 293,425.44 × 133,133.12
  4. Step 4: Simplify right side
    212,482.88x = 39,064,644,314.57
  5. Step 5: Solve for x
    x = 39,064,644,314.57/212,482.88
  6. Step 6: Final answer
    x = 183,848.43

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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.