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Finding the Fourth Proportional to 144,292.10, 216,438.15 and 119,716.10

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Solution

The fourth proportional to 144,292.10, 216,438.15 and 119,716.10 is: 179,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292.10 : 216,438.15 = 119,716.10 : x
  2. Step 2: Convert to fraction form
    144,292.10/216,438.15 = 119,716.10/x
  3. Step 3: Cross multiply
    144,292.10x = 216,438.15 × 119,716.10
  4. Step 4: Simplify right side
    144,292.10x = 25,911,131,209.22
  5. Step 5: Solve for x
    x = 25,911,131,209.22/144,292.10
  6. Step 6: Final answer
    x = 179,574.15

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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.