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Finding the Fourth Proportional to 93,132.66, 128,519.25 and 52,845.57

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Solution

The fourth proportional to 93,132.66, 128,519.25 and 52,845.57 is: 72,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,132.66 : 128,519.25 = 52,845.57 : x
  2. Step 2: Convert to fraction form
    93,132.66/128,519.25 = 52,845.57/x
  3. Step 3: Cross multiply
    93,132.66x = 128,519.25 × 52,845.57
  4. Step 4: Simplify right side
    93,132.66x = 6,791,673,022.22
  5. Step 5: Solve for x
    x = 6,791,673,022.22/93,132.66
  6. Step 6: Final answer
    x = 72,924.72

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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.