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Finding the Fourth Proportional to 93,350.88, 128,819.13 and 53,059.05

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Solution

The fourth proportional to 93,350.88, 128,819.13 and 53,059.05 is: 73,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,350.88 : 128,819.13 = 53,059.05 : x
  2. Step 2: Convert to fraction form
    93,350.88/128,819.13 = 53,059.05/x
  3. Step 3: Cross multiply
    93,350.88x = 128,819.13 × 53,059.05
  4. Step 4: Simplify right side
    93,350.88x = 6,835,020,659.63
  5. Step 5: Solve for x
    x = 6,835,020,659.63/93,350.88
  6. Step 6: Final answer
    x = 73,218.60

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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.