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Finding the Fourth Proportional to 237,124.86, 355,827.69 and 87,470.34

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Solution

The fourth proportional to 237,124.86, 355,827.69 and 87,470.34 is: 131,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,124.86 : 355,827.69 = 87,470.34 : x
  2. Step 2: Convert to fraction form
    237,124.86/355,827.69 = 87,470.34/x
  3. Step 3: Cross multiply
    237,124.86x = 355,827.69 × 87,470.34
  4. Step 4: Simplify right side
    237,124.86x = 31,124,369,025.71
  5. Step 5: Solve for x
    x = 31,124,369,025.71/237,124.86
  6. Step 6: Final answer
    x = 131,257.30

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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.