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Finding the Fourth Proportional to 210,994.89, 316,492.38 and 63,250.89

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Solution

The fourth proportional to 210,994.89, 316,492.38 and 63,250.89 is: 94,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,994.89 : 316,492.38 = 63,250.89 : x
  2. Step 2: Convert to fraction form
    210,994.89/316,492.38 = 63,250.89/x
  3. Step 3: Cross multiply
    210,994.89x = 316,492.38 × 63,250.89
  4. Step 4: Simplify right side
    210,994.89x = 20,018,424,713.22
  5. Step 5: Solve for x
    x = 20,018,424,713.22/210,994.89
  6. Step 6: Final answer
    x = 94,876.35

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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.