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Finding the Fourth Proportional to 172,666.86, 259,005.15 and 48,007.86

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Solution

The fourth proportional to 172,666.86, 259,005.15 and 48,007.86 is: 72,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,666.86 : 259,005.15 = 48,007.86 : x
  2. Step 2: Convert to fraction form
    172,666.86/259,005.15 = 48,007.86/x
  3. Step 3: Cross multiply
    172,666.86x = 259,005.15 × 48,007.86
  4. Step 4: Simplify right side
    172,666.86x = 12,434,282,980.48
  5. Step 5: Solve for x
    x = 12,434,282,980.48/172,666.86
  6. Step 6: Final answer
    x = 72,013.14

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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.