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Finding the Fourth Proportional to 125,953, 173,815.38 and 69,369.64

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Solution

The fourth proportional to 125,953, 173,815.38 and 69,369.64 is: 95,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,953 : 173,815.38 = 69,369.64 : x
  2. Step 2: Convert to fraction form
    125,953/173,815.38 = 69,369.64/x
  3. Step 3: Cross multiply
    125,953x = 173,815.38 × 69,369.64
  4. Step 4: Simplify right side
    125,953x = 12,057,510,337.06
  5. Step 5: Solve for x
    x = 12,057,510,337.06/125,953
  6. Step 6: Final answer
    x = 95,730.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.