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Finding the Fourth Proportional to 237,243.96, 355,870.04 and 87,407.13

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Solution

The fourth proportional to 237,243.96, 355,870.04 and 87,407.13 is: 131,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,243.96 : 355,870.04 = 87,407.13 : x
  2. Step 2: Convert to fraction form
    237,243.96/355,870.04 = 87,407.13/x
  3. Step 3: Cross multiply
    237,243.96x = 355,870.04 × 87,407.13
  4. Step 4: Simplify right side
    237,243.96x = 31,105,578,412.35
  5. Step 5: Solve for x
    x = 31,105,578,412.35/237,243.96
  6. Step 6: Final answer
    x = 131,112.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.