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Finding the Fourth Proportional to 93,007.96, 128,350.62 and 50,566.60

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Solution

The fourth proportional to 93,007.96, 128,350.62 and 50,566.60 is: 69,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,007.96 : 128,350.62 = 50,566.60 : x
  2. Step 2: Convert to fraction form
    93,007.96/128,350.62 = 50,566.60/x
  3. Step 3: Cross multiply
    93,007.96x = 128,350.62 × 50,566.60
  4. Step 4: Simplify right side
    93,007.96x = 6,490,254,461.29
  5. Step 5: Solve for x
    x = 6,490,254,461.29/93,007.96
  6. Step 6: Final answer
    x = 69,781.71

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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.