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Finding the Fourth Proportional to 144,292.60, 216,438.90 and 119,716.60

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Solution

The fourth proportional to 144,292.60, 216,438.90 and 119,716.60 is: 179,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292.60 : 216,438.90 = 119,716.60 : x
  2. Step 2: Convert to fraction form
    144,292.60/216,438.90 = 119,716.60/x
  3. Step 3: Cross multiply
    144,292.60x = 216,438.90 × 119,716.60
  4. Step 4: Simplify right side
    144,292.60x = 25,911,329,215.74
  5. Step 5: Solve for x
    x = 25,911,329,215.74/144,292.60
  6. Step 6: Final answer
    x = 179,574.90

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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.