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Finding the Fourth Proportional to 173,569.70, 259,663.35 and 156,980.90

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Solution

The fourth proportional to 173,569.70, 259,663.35 and 156,980.90 is: 234,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,569.70 : 259,663.35 = 156,980.90 : x
  2. Step 2: Convert to fraction form
    173,569.70/259,663.35 = 156,980.90/x
  3. Step 3: Cross multiply
    173,569.70x = 259,663.35 × 156,980.90
  4. Step 4: Simplify right side
    173,569.70x = 40,762,186,380.02
  5. Step 5: Solve for x
    x = 40,762,186,380.02/173,569.70
  6. Step 6: Final answer
    x = 234,846.21

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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.