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Finding the Fourth Proportional to 130,329.88, 179,848.38 and 73,732.12

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Solution

The fourth proportional to 130,329.88, 179,848.38 and 73,732.12 is: 101,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,329.88 : 179,848.38 = 73,732.12 : x
  2. Step 2: Convert to fraction form
    130,329.88/179,848.38 = 73,732.12/x
  3. Step 3: Cross multiply
    130,329.88x = 179,848.38 × 73,732.12
  4. Step 4: Simplify right side
    130,329.88x = 13,260,602,335.97
  5. Step 5: Solve for x
    x = 13,260,602,335.97/130,329.88
  6. Step 6: Final answer
    x = 101,746.45

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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.