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Finding the Fourth Proportional to 93,335.18, 128,802.03 and 50,892.80

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Solution

The fourth proportional to 93,335.18, 128,802.03 and 50,892.80 is: 70,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,335.18 : 128,802.03 = 50,892.80 : x
  2. Step 2: Convert to fraction form
    93,335.18/128,802.03 = 50,892.80/x
  3. Step 3: Cross multiply
    93,335.18x = 128,802.03 × 50,892.80
  4. Step 4: Simplify right side
    93,335.18x = 6,555,095,952.38
  5. Step 5: Solve for x
    x = 6,555,095,952.38/93,335.18
  6. Step 6: Final answer
    x = 70,231.78

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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.