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Finding the Fourth Proportional to 180,527.54, 249,135.78 and 99,955.05

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Solution

The fourth proportional to 180,527.54, 249,135.78 and 99,955.05 is: 137,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,527.54 : 249,135.78 = 99,955.05 : x
  2. Step 2: Convert to fraction form
    180,527.54/249,135.78 = 99,955.05/x
  3. Step 3: Cross multiply
    180,527.54x = 249,135.78 × 99,955.05
  4. Step 4: Simplify right side
    180,527.54x = 24,902,379,346.69
  5. Step 5: Solve for x
    x = 24,902,379,346.69/180,527.54
  6. Step 6: Final answer
    x = 137,942.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.