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Finding the Fourth Proportional to 176,874.40, 264,728.40 and 124,386.40

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Solution

The fourth proportional to 176,874.40, 264,728.40 and 124,386.40 is: 186,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,874.40 : 264,728.40 = 124,386.40 : x
  2. Step 2: Convert to fraction form
    176,874.40/264,728.40 = 124,386.40/x
  3. Step 3: Cross multiply
    176,874.40x = 264,728.40 × 124,386.40
  4. Step 4: Simplify right side
    176,874.40x = 32,928,612,653.76
  5. Step 5: Solve for x
    x = 32,928,612,653.76/176,874.40
  6. Step 6: Final answer
    x = 186,169.47

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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.