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Finding the Fourth Proportional to 145,992.60, 219,075.30 and 96,216.60

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Solution

The fourth proportional to 145,992.60, 219,075.30 and 96,216.60 is: 144,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,992.60 : 219,075.30 = 96,216.60 : x
  2. Step 2: Convert to fraction form
    145,992.60/219,075.30 = 96,216.60/x
  3. Step 3: Cross multiply
    145,992.60x = 219,075.30 × 96,216.60
  4. Step 4: Simplify right side
    145,992.60x = 21,078,680,509.98
  5. Step 5: Solve for x
    x = 21,078,680,509.98/145,992.60
  6. Step 6: Final answer
    x = 144,381.84

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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.