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Finding the Fourth Proportional to 237,915.63, 328,323.78 and 130,487.76

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Solution

The fourth proportional to 237,915.63, 328,323.78 and 130,487.76 is: 180,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,915.63 : 328,323.78 = 130,487.76 : x
  2. Step 2: Convert to fraction form
    237,915.63/328,323.78 = 130,487.76/x
  3. Step 3: Cross multiply
    237,915.63x = 328,323.78 × 130,487.76
  4. Step 4: Simplify right side
    237,915.63x = 42,842,234,606.93
  5. Step 5: Solve for x
    x = 42,842,234,606.93/237,915.63
  6. Step 6: Final answer
    x = 180,073.22

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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.