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Finding the Fourth Proportional to 237,373.68, 355,945.68 and 87,684.45

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Solution

The fourth proportional to 237,373.68, 355,945.68 and 87,684.45 is: 131,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,373.68 : 355,945.68 = 87,684.45 : x
  2. Step 2: Convert to fraction form
    237,373.68/355,945.68 = 87,684.45/x
  3. Step 3: Cross multiply
    237,373.68x = 355,945.68 × 87,684.45
  4. Step 4: Simplify right side
    237,373.68x = 31,210,901,180.68
  5. Step 5: Solve for x
    x = 31,210,901,180.68/237,373.68
  6. Step 6: Final answer
    x = 131,484.25

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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.