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Finding the Fourth Proportional to 130,058.80, 194,942.40 and 73,925.80

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Solution

The fourth proportional to 130,058.80, 194,942.40 and 73,925.80 is: 110,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,058.80 : 194,942.40 = 73,925.80 : x
  2. Step 2: Convert to fraction form
    130,058.80/194,942.40 = 73,925.80/x
  3. Step 3: Cross multiply
    130,058.80x = 194,942.40 × 73,925.80
  4. Step 4: Simplify right side
    130,058.80x = 14,411,272,873.92
  5. Step 5: Solve for x
    x = 14,411,272,873.92/130,058.80
  6. Step 6: Final answer
    x = 110,805.83

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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.