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Finding the Fourth Proportional to 193,065.52, 266,430.52 and 117,614.02

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Solution

The fourth proportional to 193,065.52, 266,430.52 and 117,614.02 is: 162,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,065.52 : 266,430.52 = 117,614.02 : x
  2. Step 2: Convert to fraction form
    193,065.52/266,430.52 = 117,614.02/x
  3. Step 3: Cross multiply
    193,065.52x = 266,430.52 × 117,614.02
  4. Step 4: Simplify right side
    193,065.52x = 31,335,964,507.89
  5. Step 5: Solve for x
    x = 31,335,964,507.89/193,065.52
  6. Step 6: Final answer
    x = 162,307.41

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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.