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Finding the Fourth Proportional to 182,152.60, 273,228.90 and 103,420.60

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Solution

The fourth proportional to 182,152.60, 273,228.90 and 103,420.60 is: 155,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,152.60 : 273,228.90 = 103,420.60 : x
  2. Step 2: Convert to fraction form
    182,152.60/273,228.90 = 103,420.60/x
  3. Step 3: Cross multiply
    182,152.60x = 273,228.90 × 103,420.60
  4. Step 4: Simplify right side
    182,152.60x = 28,257,496,775.34
  5. Step 5: Solve for x
    x = 28,257,496,775.34/182,152.60
  6. Step 6: Final answer
    x = 155,130.90

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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.