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Finding the Fourth Proportional to 173,347.80, 260,021.70 and 151,920.60

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Solution

The fourth proportional to 173,347.80, 260,021.70 and 151,920.60 is: 227,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,347.80 : 260,021.70 = 151,920.60 : x
  2. Step 2: Convert to fraction form
    173,347.80/260,021.70 = 151,920.60/x
  3. Step 3: Cross multiply
    173,347.80x = 260,021.70 × 151,920.60
  4. Step 4: Simplify right side
    173,347.80x = 39,502,652,677.02
  5. Step 5: Solve for x
    x = 39,502,652,677.02/173,347.80
  6. Step 6: Final answer
    x = 227,880.90

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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.