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Finding the Fourth Proportional to 173,407.35, 260,128.35 and 47,049.60

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Solution

The fourth proportional to 173,407.35, 260,128.35 and 47,049.60 is: 70,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,407.35 : 260,128.35 = 47,049.60 : x
  2. Step 2: Convert to fraction form
    173,407.35/260,128.35 = 47,049.60/x
  3. Step 3: Cross multiply
    173,407.35x = 260,128.35 × 47,049.60
  4. Step 4: Simplify right side
    173,407.35x = 12,238,934,816.16
  5. Step 5: Solve for x
    x = 12,238,934,816.16/173,407.35
  6. Step 6: Final answer
    x = 70,579.10

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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.