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Finding the Fourth Proportional to 166,500.80, 249,751.20 and 116,637.20

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Solution

The fourth proportional to 166,500.80, 249,751.20 and 116,637.20 is: 174,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,500.80 : 249,751.20 = 116,637.20 : x
  2. Step 2: Convert to fraction form
    166,500.80/249,751.20 = 116,637.20/x
  3. Step 3: Cross multiply
    166,500.80x = 249,751.20 × 116,637.20
  4. Step 4: Simplify right side
    166,500.80x = 29,130,280,664.64
  5. Step 5: Solve for x
    x = 29,130,280,664.64/166,500.80
  6. Step 6: Final answer
    x = 174,955.80

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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.