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Finding the Fourth Proportional to 173,435.90, 260,153.88 and 48,776.90

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Solution

The fourth proportional to 173,435.90, 260,153.88 and 48,776.90 is: 73,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,435.90 : 260,153.88 = 48,776.90 : x
  2. Step 2: Convert to fraction form
    173,435.90/260,153.88 = 48,776.90/x
  3. Step 3: Cross multiply
    173,435.90x = 260,153.88 × 48,776.90
  4. Step 4: Simplify right side
    173,435.90x = 12,689,499,789.37
  5. Step 5: Solve for x
    x = 12,689,499,789.37/173,435.90
  6. Step 6: Final answer
    x = 73,165.36

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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.