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Finding the Fourth Proportional to 237,802.79, 328,340.08 and 153,067.48

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Solution

The fourth proportional to 237,802.79, 328,340.08 and 153,067.48 is: 211,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,802.79 : 328,340.08 = 153,067.48 : x
  2. Step 2: Convert to fraction form
    237,802.79/328,340.08 = 153,067.48/x
  3. Step 3: Cross multiply
    237,802.79x = 328,340.08 × 153,067.48
  4. Step 4: Simplify right side
    237,802.79x = 50,258,186,986.90
  5. Step 5: Solve for x
    x = 50,258,186,986.90/237,802.79
  6. Step 6: Final answer
    x = 211,343.98

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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.