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Finding the Fourth Proportional to 93,283.84, 128,733.16 and 50,842.32

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Solution

The fourth proportional to 93,283.84, 128,733.16 and 50,842.32 is: 70,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,283.84 : 128,733.16 = 50,842.32 : x
  2. Step 2: Convert to fraction form
    93,283.84/128,733.16 = 50,842.32/x
  3. Step 3: Cross multiply
    93,283.84x = 128,733.16 × 50,842.32
  4. Step 4: Simplify right side
    93,283.84x = 6,545,092,515.33
  5. Step 5: Solve for x
    x = 6,545,092,515.33/93,283.84
  6. Step 6: Final answer
    x = 70,163.20

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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.