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Finding the Fourth Proportional to 93,406.62, 128,901.54 and 50,966.07

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Solution

The fourth proportional to 93,406.62, 128,901.54 and 50,966.07 is: 70,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,406.62 : 128,901.54 = 50,966.07 : x
  2. Step 2: Convert to fraction form
    93,406.62/128,901.54 = 50,966.07/x
  3. Step 3: Cross multiply
    93,406.62x = 128,901.54 × 50,966.07
  4. Step 4: Simplify right side
    93,406.62x = 6,569,604,910.75
  5. Step 5: Solve for x
    x = 6,569,604,910.75/93,406.62
  6. Step 6: Final answer
    x = 70,333.40

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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.