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Finding the Fourth Proportional to 166,057.40, 249,053.70 and 53,710.40

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Solution

The fourth proportional to 166,057.40, 249,053.70 and 53,710.40 is: 80,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,057.40 : 249,053.70 = 53,710.40 : x
  2. Step 2: Convert to fraction form
    166,057.40/249,053.70 = 53,710.40/x
  3. Step 3: Cross multiply
    166,057.40x = 249,053.70 × 53,710.40
  4. Step 4: Simplify right side
    166,057.40x = 13,376,773,848.48
  5. Step 5: Solve for x
    x = 13,376,773,848.48/166,057.40
  6. Step 6: Final answer
    x = 80,555.12

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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.