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Finding the Fourth Proportional to 375,492.96, 563,234.58 and 91,185.93

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Solution

The fourth proportional to 375,492.96, 563,234.58 and 91,185.93 is: 136,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,492.96 : 563,234.58 = 91,185.93 : x
  2. Step 2: Convert to fraction form
    375,492.96/563,234.58 = 91,185.93/x
  3. Step 3: Cross multiply
    375,492.96x = 563,234.58 × 91,185.93
  4. Step 4: Simplify right side
    375,492.96x = 51,359,068,985.46
  5. Step 5: Solve for x
    x = 51,359,068,985.46/375,492.96
  6. Step 6: Final answer
    x = 136,777.71

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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.