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Finding the Fourth Proportional to 227,881.31, 314,482.55 and 125,913.34

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Solution

The fourth proportional to 227,881.31, 314,482.55 and 125,913.34 is: 173,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,881.31 : 314,482.55 = 125,913.34 : x
  2. Step 2: Convert to fraction form
    227,881.31/314,482.55 = 125,913.34/x
  3. Step 3: Cross multiply
    227,881.31x = 314,482.55 × 125,913.34
  4. Step 4: Simplify right side
    227,881.31x = 39,597,549,952.63
  5. Step 5: Solve for x
    x = 39,597,549,952.63/227,881.31
  6. Step 6: Final answer
    x = 173,763.92

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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.