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Finding the Fourth Proportional to 166,689.51, 249,989.85 and 46,739.85

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Solution

The fourth proportional to 166,689.51, 249,989.85 and 46,739.85 is: 70,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,689.51 : 249,989.85 = 46,739.85 : x
  2. Step 2: Convert to fraction form
    166,689.51/249,989.85 = 46,739.85/x
  3. Step 3: Cross multiply
    166,689.51x = 249,989.85 × 46,739.85
  4. Step 4: Simplify right side
    166,689.51x = 11,684,488,090.52
  5. Step 5: Solve for x
    x = 11,684,488,090.52/166,689.51
  6. Step 6: Final answer
    x = 70,097.32

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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.