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Finding the Fourth Proportional to 166,534.80, 249,802.20 and 149,038.80

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Solution

The fourth proportional to 166,534.80, 249,802.20 and 149,038.80 is: 223,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,534.80 : 249,802.20 = 149,038.80 : x
  2. Step 2: Convert to fraction form
    166,534.80/249,802.20 = 149,038.80/x
  3. Step 3: Cross multiply
    166,534.80x = 249,802.20 × 149,038.80
  4. Step 4: Simplify right side
    166,534.80x = 37,230,220,125.36
  5. Step 5: Solve for x
    x = 37,230,220,125.36/166,534.80
  6. Step 6: Final answer
    x = 223,558.20

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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.