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Finding the Fourth Proportional to 93,019.84, 128,359.04 and 51,627.92

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Solution

The fourth proportional to 93,019.84, 128,359.04 and 51,627.92 is: 71,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,019.84 : 128,359.04 = 51,627.92 : x
  2. Step 2: Convert to fraction form
    93,019.84/128,359.04 = 51,627.92/x
  3. Step 3: Cross multiply
    93,019.84x = 128,359.04 × 51,627.92
  4. Step 4: Simplify right side
    93,019.84x = 6,626,910,248.40
  5. Step 5: Solve for x
    x = 6,626,910,248.40/93,019.84
  6. Step 6: Final answer
    x = 71,241.90

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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.