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Finding the Fourth Proportional to 180,030.94, 270,140.70 and 116,836.18

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Solution

The fourth proportional to 180,030.94, 270,140.70 and 116,836.18 is: 175,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,030.94 : 270,140.70 = 116,836.18 : x
  2. Step 2: Convert to fraction form
    180,030.94/270,140.70 = 116,836.18/x
  3. Step 3: Cross multiply
    180,030.94x = 270,140.70 × 116,836.18
  4. Step 4: Simplify right side
    180,030.94x = 31,562,207,450.53
  5. Step 5: Solve for x
    x = 31,562,207,450.53/180,030.94
  6. Step 6: Final answer
    x = 175,315.46

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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.