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Finding the Fourth Proportional to 93,332.64, 128,801.70 and 50,893.50

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Solution

The fourth proportional to 93,332.64, 128,801.70 and 50,893.50 is: 70,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,332.64 : 128,801.70 = 50,893.50 : x
  2. Step 2: Convert to fraction form
    93,332.64/128,801.70 = 50,893.50/x
  3. Step 3: Cross multiply
    93,332.64x = 128,801.70 × 50,893.50
  4. Step 4: Simplify right side
    93,332.64x = 6,555,169,318.95
  5. Step 5: Solve for x
    x = 6,555,169,318.95/93,332.64
  6. Step 6: Final answer
    x = 70,234.48

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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.