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Finding the Fourth Proportional to 173,370.60, 260,055.90 and 73,513.80

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Solution

The fourth proportional to 173,370.60, 260,055.90 and 73,513.80 is: 110,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,370.60 : 260,055.90 = 73,513.80 : x
  2. Step 2: Convert to fraction form
    173,370.60/260,055.90 = 73,513.80/x
  3. Step 3: Cross multiply
    173,370.60x = 260,055.90 × 73,513.80
  4. Step 4: Simplify right side
    173,370.60x = 19,117,697,421.42
  5. Step 5: Solve for x
    x = 19,117,697,421.42/173,370.60
  6. Step 6: Final answer
    x = 110,270.70

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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.