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Finding the Fourth Proportional to 130,065.88, 179,505.51 and 73,480.90

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Solution

The fourth proportional to 130,065.88, 179,505.51 and 73,480.90 is: 101,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,065.88 : 179,505.51 = 73,480.90 : x
  2. Step 2: Convert to fraction form
    130,065.88/179,505.51 = 73,480.90/x
  3. Step 3: Cross multiply
    130,065.88x = 179,505.51 × 73,480.90
  4. Step 4: Simplify right side
    130,065.88x = 13,190,225,532.23
  5. Step 5: Solve for x
    x = 13,190,225,532.23/130,065.88
  6. Step 6: Final answer
    x = 101,411.88

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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.