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Finding the Fourth Proportional to 166,354.34, 249,602.99 and 54,068.96

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Solution

The fourth proportional to 166,354.34, 249,602.99 and 54,068.96 is: 81,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,354.34 : 249,602.99 = 54,068.96 : x
  2. Step 2: Convert to fraction form
    166,354.34/249,602.99 = 54,068.96/x
  3. Step 3: Cross multiply
    166,354.34x = 249,602.99 × 54,068.96
  4. Step 4: Simplify right side
    166,354.34x = 13,495,772,563.83
  5. Step 5: Solve for x
    x = 13,495,772,563.83/166,354.34
  6. Step 6: Final answer
    x = 81,126.67

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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.