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Finding the Fourth Proportional to 210,894.29, 316,341.43 and 92,566.65

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Solution

The fourth proportional to 210,894.29, 316,341.43 and 92,566.65 is: 138,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,894.29 : 316,341.43 = 92,566.65 : x
  2. Step 2: Convert to fraction form
    210,894.29/316,341.43 = 92,566.65/x
  3. Step 3: Cross multiply
    210,894.29x = 316,341.43 × 92,566.65
  4. Step 4: Simplify right side
    210,894.29x = 29,282,666,431.31
  5. Step 5: Solve for x
    x = 29,282,666,431.31/210,894.29
  6. Step 6: Final answer
    x = 138,849.98

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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.