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Finding the Fourth Proportional to 172,443.59, 260,285.06 and 172,443.59

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Solution

The fourth proportional to 172,443.59, 260,285.06 and 172,443.59 is: 260,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,443.59 : 260,285.06 = 172,443.59 : x
  2. Step 2: Convert to fraction form
    172,443.59/260,285.06 = 172,443.59/x
  3. Step 3: Cross multiply
    172,443.59x = 260,285.06 × 172,443.59
  4. Step 4: Simplify right side
    172,443.59x = 44,884,488,006.12
  5. Step 5: Solve for x
    x = 44,884,488,006.12/172,443.59
  6. Step 6: Final answer
    x = 260,285.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.