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Finding the Fourth Proportional to 130,214.59, 179,699.93 and 73,624.75

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Solution

The fourth proportional to 130,214.59, 179,699.93 and 73,624.75 is: 101,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,214.59 : 179,699.93 = 73,624.75 : x
  2. Step 2: Convert to fraction form
    130,214.59/179,699.93 = 73,624.75/x
  3. Step 3: Cross multiply
    130,214.59x = 179,699.93 × 73,624.75
  4. Step 4: Simplify right side
    130,214.59x = 13,230,362,053.14
  5. Step 5: Solve for x
    x = 13,230,362,053.14/130,214.59
  6. Step 6: Final answer
    x = 101,604.30

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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.