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Finding the Fourth Proportional to 93,001.80, 128,114.71 and 67,433.04

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Solution

The fourth proportional to 93,001.80, 128,114.71 and 67,433.04 is: 92,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,001.80 : 128,114.71 = 67,433.04 : x
  2. Step 2: Convert to fraction form
    93,001.80/128,114.71 = 67,433.04/x
  3. Step 3: Cross multiply
    93,001.80x = 128,114.71 × 67,433.04
  4. Step 4: Simplify right side
    93,001.80x = 8,639,164,574.75
  5. Step 5: Solve for x
    x = 8,639,164,574.75/93,001.80
  6. Step 6: Final answer
    x = 92,892.44

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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.