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Finding the Fourth Proportional to 173,665.80, 260,510.88 and 73,814.64

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Solution

The fourth proportional to 173,665.80, 260,510.88 and 73,814.64 is: 110,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,665.80 : 260,510.88 = 73,814.64 : x
  2. Step 2: Convert to fraction form
    173,665.80/260,510.88 = 73,814.64/x
  3. Step 3: Cross multiply
    173,665.80x = 260,510.88 × 73,814.64
  4. Step 4: Simplify right side
    173,665.80x = 19,229,516,823.28
  5. Step 5: Solve for x
    x = 19,229,516,823.28/173,665.80
  6. Step 6: Final answer
    x = 110,727.14

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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.