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Finding the Fourth Proportional to 166,117.20, 249,175.80 and 116,350.80

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Solution

The fourth proportional to 166,117.20, 249,175.80 and 116,350.80 is: 174,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,117.20 : 249,175.80 = 116,350.80 : x
  2. Step 2: Convert to fraction form
    166,117.20/249,175.80 = 116,350.80/x
  3. Step 3: Cross multiply
    166,117.20x = 249,175.80 × 116,350.80
  4. Step 4: Simplify right side
    166,117.20x = 28,991,803,670.64
  5. Step 5: Solve for x
    x = 28,991,803,670.64/166,117.20
  6. Step 6: Final answer
    x = 174,526.20

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1.5x scale

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.