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Finding the Fourth Proportional to 92,925.59, 128,238.86 and 50,484.15

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Solution

The fourth proportional to 92,925.59, 128,238.86 and 50,484.15 is: 69,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,925.59 : 128,238.86 = 50,484.15 : x
  2. Step 2: Convert to fraction form
    92,925.59/128,238.86 = 50,484.15/x
  3. Step 3: Cross multiply
    92,925.59x = 128,238.86 × 50,484.15
  4. Step 4: Simplify right side
    92,925.59x = 6,474,029,970.28
  5. Step 5: Solve for x
    x = 6,474,029,970.28/92,925.59
  6. Step 6: Final answer
    x = 69,668.97

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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.