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Finding the Fourth Proportional to 172,477.64, 258,755.33 and 52,545.32

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Solution

The fourth proportional to 172,477.64, 258,755.33 and 52,545.32 is: 78,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,477.64 : 258,755.33 = 52,545.32 : x
  2. Step 2: Convert to fraction form
    172,477.64/258,755.33 = 52,545.32/x
  3. Step 3: Cross multiply
    172,477.64x = 258,755.33 × 52,545.32
  4. Step 4: Simplify right side
    172,477.64x = 13,596,381,616.56
  5. Step 5: Solve for x
    x = 13,596,381,616.56/172,477.64
  6. Step 6: Final answer
    x = 78,829.82

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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.