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Finding the Fourth Proportional to 144,291.60, 216,437.40 and 119,715.60

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Solution

The fourth proportional to 144,291.60, 216,437.40 and 119,715.60 is: 179,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,291.60 : 216,437.40 = 119,715.60 : x
  2. Step 2: Convert to fraction form
    144,291.60/216,437.40 = 119,715.60/x
  3. Step 3: Cross multiply
    144,291.60x = 216,437.40 × 119,715.60
  4. Step 4: Simplify right side
    144,291.60x = 25,910,933,203.44
  5. Step 5: Solve for x
    x = 25,910,933,203.44/144,291.60
  6. Step 6: Final answer
    x = 179,573.40

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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.