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Finding the Fourth Proportional to 130,482.41, 180,059.69 and 73,894.19

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Solution

The fourth proportional to 130,482.41, 180,059.69 and 73,894.19 is: 101,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,482.41 : 180,059.69 = 73,894.19 : x
  2. Step 2: Convert to fraction form
    130,482.41/180,059.69 = 73,894.19/x
  3. Step 3: Cross multiply
    130,482.41x = 180,059.69 × 73,894.19
  4. Step 4: Simplify right side
    130,482.41x = 13,305,364,228.64
  5. Step 5: Solve for x
    x = 13,305,364,228.64/130,482.41
  6. Step 6: Final answer
    x = 101,970.56

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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.