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Finding the Fourth Proportional to 130,199.00, 179,673.01 and 76,488.92

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Solution

The fourth proportional to 130,199.00, 179,673.01 and 76,488.92 is: 105,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,199.00 : 179,673.01 = 76,488.92 : x
  2. Step 2: Convert to fraction form
    130,199.00/179,673.01 = 76,488.92/x
  3. Step 3: Cross multiply
    130,199.00x = 179,673.01 × 76,488.92
  4. Step 4: Simplify right side
    130,199.00x = 13,742,993,398.46
  5. Step 5: Solve for x
    x = 13,742,993,398.46/130,199.00
  6. Step 6: Final answer
    x = 105,553.75

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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.