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Finding the Fourth Proportional to 92,924.40, 128,234.16 and 50,483.64

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Solution

The fourth proportional to 92,924.40, 128,234.16 and 50,483.64 is: 69,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,924.40 : 128,234.16 = 50,483.64 : x
  2. Step 2: Convert to fraction form
    92,924.40/128,234.16 = 50,483.64/x
  3. Step 3: Cross multiply
    92,924.40x = 128,234.16 × 50,483.64
  4. Step 4: Simplify right side
    92,924.40x = 6,473,727,169.14
  5. Step 5: Solve for x
    x = 6,473,727,169.14/92,924.40
  6. Step 6: Final answer
    x = 69,666.60

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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.