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Finding the Fourth Proportional to 166,588.80, 249,998.40 and 119,875.20

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Solution

The fourth proportional to 166,588.80, 249,998.40 and 119,875.20 is: 179,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,588.80 : 249,998.40 = 119,875.20 : x
  2. Step 2: Convert to fraction form
    166,588.80/249,998.40 = 119,875.20/x
  3. Step 3: Cross multiply
    166,588.80x = 249,998.40 × 119,875.20
  4. Step 4: Simplify right side
    166,588.80x = 29,968,608,199.68
  5. Step 5: Solve for x
    x = 29,968,608,199.68/166,588.80
  6. Step 6: Final answer
    x = 179,895.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.