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Finding the Fourth Proportional to 176,877.40, 264,732.90 and 124,389.40

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Solution

The fourth proportional to 176,877.40, 264,732.90 and 124,389.40 is: 186,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,877.40 : 264,732.90 = 124,389.40 : x
  2. Step 2: Convert to fraction form
    176,877.40/264,732.90 = 124,389.40/x
  3. Step 3: Cross multiply
    176,877.40x = 264,732.90 × 124,389.40
  4. Step 4: Simplify right side
    176,877.40x = 32,929,966,591.26
  5. Step 5: Solve for x
    x = 32,929,966,591.26/176,877.40
  6. Step 6: Final answer
    x = 186,173.96

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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.