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Finding the Fourth Proportional to 94,572.29, 130,509.74 and 52,131.74

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Solution

The fourth proportional to 94,572.29, 130,509.74 and 52,131.74 is: 71,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,572.29 : 130,509.74 = 52,131.74 : x
  2. Step 2: Convert to fraction form
    94,572.29/130,509.74 = 52,131.74/x
  3. Step 3: Cross multiply
    94,572.29x = 130,509.74 × 52,131.74
  4. Step 4: Simplify right side
    94,572.29x = 6,803,699,310.93
  5. Step 5: Solve for x
    x = 6,803,699,310.93/94,572.29
  6. Step 6: Final answer
    x = 71,941.78

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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.