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Finding the Fourth Proportional to 92,925.34, 128,238.52 and 50,483.90

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Solution

The fourth proportional to 92,925.34, 128,238.52 and 50,483.90 is: 69,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,925.34 : 128,238.52 = 50,483.90 : x
  2. Step 2: Convert to fraction form
    92,925.34/128,238.52 = 50,483.90/x
  3. Step 3: Cross multiply
    92,925.34x = 128,238.52 × 50,483.90
  4. Step 4: Simplify right side
    92,925.34x = 6,473,980,619.83
  5. Step 5: Solve for x
    x = 6,473,980,619.83/92,925.34
  6. Step 6: Final answer
    x = 69,668.62

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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.