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Finding the Fourth Proportional to 92,925.66, 128,237.30 and 50,483.92

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Solution

The fourth proportional to 92,925.66, 128,237.30 and 50,483.92 is: 69,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,925.66 : 128,237.30 = 50,483.92 : x
  2. Step 2: Convert to fraction form
    92,925.66/128,237.30 = 50,483.92/x
  3. Step 3: Cross multiply
    92,925.66x = 128,237.30 × 50,483.92
  4. Step 4: Simplify right side
    92,925.66x = 6,473,921,594.22
  5. Step 5: Solve for x
    x = 6,473,921,594.22/92,925.66
  6. Step 6: Final answer
    x = 69,667.75

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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.