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Finding the Fourth Proportional to 166,390.96, 249,324 and 61,065.04

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Solution

The fourth proportional to 166,390.96, 249,324 and 61,065.04 is: 91,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,390.96 : 249,324 = 61,065.04 : x
  2. Step 2: Convert to fraction form
    166,390.96/249,324 = 61,065.04/x
  3. Step 3: Cross multiply
    166,390.96x = 249,324 × 61,065.04
  4. Step 4: Simplify right side
    166,390.96x = 15,224,980,032.96
  5. Step 5: Solve for x
    x = 15,224,980,032.96/166,390.96
  6. Step 6: Final answer
    x = 91,501.25

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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.