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Finding the Fourth Proportional to 130,062.54, 179,485.62 and 70,446.54

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Solution

The fourth proportional to 130,062.54, 179,485.62 and 70,446.54 is: 97,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,062.54 : 179,485.62 = 70,446.54 : x
  2. Step 2: Convert to fraction form
    130,062.54/179,485.62 = 70,446.54/x
  3. Step 3: Cross multiply
    130,062.54x = 179,485.62 × 70,446.54
  4. Step 4: Simplify right side
    130,062.54x = 12,644,140,908.75
  5. Step 5: Solve for x
    x = 12,644,140,908.75/130,062.54
  6. Step 6: Final answer
    x = 97,215.85

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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.