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Finding the Fourth Proportional to 193,699, 267,319.20 and 118,262.08

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Solution

The fourth proportional to 193,699, 267,319.20 and 118,262.08 is: 163,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,699 : 267,319.20 = 118,262.08 : x
  2. Step 2: Convert to fraction form
    193,699/267,319.20 = 118,262.08/x
  3. Step 3: Cross multiply
    193,699x = 267,319.20 × 118,262.08
  4. Step 4: Simplify right side
    193,699x = 31,613,724,615.94
  5. Step 5: Solve for x
    x = 31,613,724,615.94/193,699
  6. Step 6: Final answer
    x = 163,210.57

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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.