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Finding the Fourth Proportional to 173,485.60, 260,325.60 and 73,628.80

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Solution

The fourth proportional to 173,485.60, 260,325.60 and 73,628.80 is: 110,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,485.60 : 260,325.60 = 73,628.80 : x
  2. Step 2: Convert to fraction form
    173,485.60/260,325.60 = 73,628.80/x
  3. Step 3: Cross multiply
    173,485.60x = 260,325.60 × 73,628.80
  4. Step 4: Simplify right side
    173,485.60x = 19,167,461,537.28
  5. Step 5: Solve for x
    x = 19,167,461,537.28/173,485.60
  6. Step 6: Final answer
    x = 110,484.45

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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.