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Finding the Fourth Proportional to 65,668.66, 98,345.16 and 37,503.42

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Solution

The fourth proportional to 65,668.66, 98,345.16 and 37,503.42 is: 56,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,668.66 : 98,345.16 = 37,503.42 : x
  2. Step 2: Convert to fraction form
    65,668.66/98,345.16 = 37,503.42/x
  3. Step 3: Cross multiply
    65,668.66x = 98,345.16 × 37,503.42
  4. Step 4: Simplify right side
    65,668.66x = 3,688,279,840.45
  5. Step 5: Solve for x
    x = 3,688,279,840.45/65,668.66
  6. Step 6: Final answer
    x = 56,164.99

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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.