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Finding the Fourth Proportional to 166,030.05, 249,052.85 and 53,719.06

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Solution

The fourth proportional to 166,030.05, 249,052.85 and 53,719.06 is: 80,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,030.05 : 249,052.85 = 53,719.06 : x
  2. Step 2: Convert to fraction form
    166,030.05/249,052.85 = 53,719.06/x
  3. Step 3: Cross multiply
    166,030.05x = 249,052.85 × 53,719.06
  4. Step 4: Simplify right side
    166,030.05x = 13,378,884,220.14
  5. Step 5: Solve for x
    x = 13,378,884,220.14/166,030.05
  6. Step 6: Final answer
    x = 80,581.10

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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.