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Finding the Fourth Proportional to 130,309.44, 179,824.32 and 70,693.44

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Solution

The fourth proportional to 130,309.44, 179,824.32 and 70,693.44 is: 97,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,309.44 : 179,824.32 = 70,693.44 : x
  2. Step 2: Convert to fraction form
    130,309.44/179,824.32 = 70,693.44/x
  3. Step 3: Cross multiply
    130,309.44x = 179,824.32 × 70,693.44
  4. Step 4: Simplify right side
    130,309.44x = 12,712,399,776.46
  5. Step 5: Solve for x
    x = 12,712,399,776.46/130,309.44
  6. Step 6: Final answer
    x = 97,555.48

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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.