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Finding the Fourth Proportional to 93,144.22, 128,254.37 and 70,207.37

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Solution

The fourth proportional to 93,144.22, 128,254.37 and 70,207.37 is: 96,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.22 : 128,254.37 = 70,207.37 : x
  2. Step 2: Convert to fraction form
    93,144.22/128,254.37 = 70,207.37/x
  3. Step 3: Cross multiply
    93,144.22x = 128,254.37 × 70,207.37
  4. Step 4: Simplify right side
    93,144.22x = 9,004,402,023.91
  5. Step 5: Solve for x
    x = 9,004,402,023.91/93,144.22
  6. Step 6: Final answer
    x = 96,671.62

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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.