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Finding the Fourth Proportional to 435,016.60, 652,136.10 and 168,688.60

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Solution

The fourth proportional to 435,016.60, 652,136.10 and 168,688.60 is: 252,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,016.60 : 652,136.10 = 168,688.60 : x
  2. Step 2: Convert to fraction form
    435,016.60/652,136.10 = 168,688.60/x
  3. Step 3: Cross multiply
    435,016.60x = 652,136.10 × 168,688.60
  4. Step 4: Simplify right side
    435,016.60x = 110,007,925,718.46
  5. Step 5: Solve for x
    x = 110,007,925,718.46/435,016.60
  6. Step 6: Final answer
    x = 252,882.13

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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.