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Finding the Fourth Proportional to 166,689.01, 249,989.10 and 46,739.35

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Solution

The fourth proportional to 166,689.01, 249,989.10 and 46,739.35 is: 70,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,689.01 : 249,989.10 = 46,739.35 : x
  2. Step 2: Convert to fraction form
    166,689.01/249,989.10 = 46,739.35/x
  3. Step 3: Cross multiply
    166,689.01x = 249,989.10 × 46,739.35
  4. Step 4: Simplify right side
    166,689.01x = 11,684,328,041.09
  5. Step 5: Solve for x
    x = 11,684,328,041.09/166,689.01
  6. Step 6: Final answer
    x = 70,096.57

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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.