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Finding the Fourth Proportional to 237,870.33, 328,276.22 and 157,156.26

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Solution

The fourth proportional to 237,870.33, 328,276.22 and 157,156.26 is: 216,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,870.33 : 328,276.22 = 157,156.26 : x
  2. Step 2: Convert to fraction form
    237,870.33/328,276.22 = 157,156.26/x
  3. Step 3: Cross multiply
    237,870.33x = 328,276.22 × 157,156.26
  4. Step 4: Simplify right side
    237,870.33x = 51,590,662,982.14
  5. Step 5: Solve for x
    x = 51,590,662,982.14/237,870.33
  6. Step 6: Final answer
    x = 216,885.66

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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.