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Finding the Fourth Proportional to 93,376.40, 128,859.22 and 50,934.93

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Solution

The fourth proportional to 93,376.40, 128,859.22 and 50,934.93 is: 70,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,376.40 : 128,859.22 = 50,934.93 : x
  2. Step 2: Convert to fraction form
    93,376.40/128,859.22 = 50,934.93/x
  3. Step 3: Cross multiply
    93,376.40x = 128,859.22 × 50,934.93
  4. Step 4: Simplify right side
    93,376.40x = 6,563,435,350.55
  5. Step 5: Solve for x
    x = 6,563,435,350.55/93,376.40
  6. Step 6: Final answer
    x = 70,290.09

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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.