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Finding the Fourth Proportional to 93,000.76, 128,335.74 and 50,559.04

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Solution

The fourth proportional to 93,000.76, 128,335.74 and 50,559.04 is: 69,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.76 : 128,335.74 = 50,559.04 : x
  2. Step 2: Convert to fraction form
    93,000.76/128,335.74 = 50,559.04/x
  3. Step 3: Cross multiply
    93,000.76x = 128,335.74 × 50,559.04
  4. Step 4: Simplify right side
    93,000.76x = 6,488,531,812.09
  5. Step 5: Solve for x
    x = 6,488,531,812.09/93,000.76
  6. Step 6: Final answer
    x = 69,768.59

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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.