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Finding the Fourth Proportional to 130,329.56, 179,854.68 and 70,713.56

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Solution

The fourth proportional to 130,329.56, 179,854.68 and 70,713.56 is: 97,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,329.56 : 179,854.68 = 70,713.56 : x
  2. Step 2: Convert to fraction form
    130,329.56/179,854.68 = 70,713.56/x
  3. Step 3: Cross multiply
    130,329.56x = 179,854.68 × 70,713.56
  4. Step 4: Simplify right side
    130,329.56x = 12,718,164,705.46
  5. Step 5: Solve for x
    x = 12,718,164,705.46/130,329.56
  6. Step 6: Final answer
    x = 97,584.65

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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.