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Finding the Fourth Proportional to 130,380.63, 179,925.26 and 70,764.63

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Solution

The fourth proportional to 130,380.63, 179,925.26 and 70,764.63 is: 97,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380.63 : 179,925.26 = 70,764.63 : x
  2. Step 2: Convert to fraction form
    130,380.63/179,925.26 = 70,764.63/x
  3. Step 3: Cross multiply
    130,380.63x = 179,925.26 × 70,764.63
  4. Step 4: Simplify right side
    130,380.63x = 12,732,344,451.55
  5. Step 5: Solve for x
    x = 12,732,344,451.55/130,380.63
  6. Step 6: Final answer
    x = 97,655.18

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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.