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Finding the Fourth Proportional to 193,254, 266,693.28 and 116,762.48

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Solution

The fourth proportional to 193,254, 266,693.28 and 116,762.48 is: 161,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,254 : 266,693.28 = 116,762.48 : x
  2. Step 2: Convert to fraction form
    193,254/266,693.28 = 116,762.48/x
  3. Step 3: Cross multiply
    193,254x = 266,693.28 × 116,762.48
  4. Step 4: Simplify right side
    193,254x = 31,139,768,772.13
  5. Step 5: Solve for x
    x = 31,139,768,772.13/193,254
  6. Step 6: Final answer
    x = 161,133.89

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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.