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Finding the Fourth Proportional to 174,312.90, 261,463.95 and 49,653.90

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Solution

The fourth proportional to 174,312.90, 261,463.95 and 49,653.90 is: 74,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,312.90 : 261,463.95 = 49,653.90 : x
  2. Step 2: Convert to fraction form
    174,312.90/261,463.95 = 49,653.90/x
  3. Step 3: Cross multiply
    174,312.90x = 261,463.95 × 49,653.90
  4. Step 4: Simplify right side
    174,312.90x = 12,982,704,826.91
  5. Step 5: Solve for x
    x = 12,982,704,826.91/174,312.90
  6. Step 6: Final answer
    x = 74,479.31

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1.5x scale

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.