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Finding the Fourth Proportional to 116,797.50, 175,307.01 and 72,289.62

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Solution

The fourth proportional to 116,797.50, 175,307.01 and 72,289.62 is: 108,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,797.50 : 175,307.01 = 72,289.62 : x
  2. Step 2: Convert to fraction form
    116,797.50/175,307.01 = 72,289.62/x
  3. Step 3: Cross multiply
    116,797.50x = 175,307.01 × 72,289.62
  4. Step 4: Simplify right side
    116,797.50x = 12,672,877,136.24
  5. Step 5: Solve for x
    x = 12,672,877,136.24/116,797.50
  6. Step 6: Final answer
    x = 108,502.98

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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.