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Finding the Fourth Proportional to 176,089.60, 263,745.60 and 144,985.60

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Solution

The fourth proportional to 176,089.60, 263,745.60 and 144,985.60 is: 217,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,089.60 : 263,745.60 = 144,985.60 : x
  2. Step 2: Convert to fraction form
    176,089.60/263,745.60 = 144,985.60/x
  3. Step 3: Cross multiply
    176,089.60x = 263,745.60 × 144,985.60
  4. Step 4: Simplify right side
    176,089.60x = 38,239,314,063.36
  5. Step 5: Solve for x
    x = 38,239,314,063.36/176,089.60
  6. Step 6: Final answer
    x = 217,158.28

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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.