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Finding the Fourth Proportional to 435,065.30, 652,403.55 and 168,737.30

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Solution

The fourth proportional to 435,065.30, 652,403.55 and 168,737.30 is: 253,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,065.30 : 652,403.55 = 168,737.30 : x
  2. Step 2: Convert to fraction form
    435,065.30/652,403.55 = 168,737.30/x
  3. Step 3: Cross multiply
    435,065.30x = 652,403.55 × 168,737.30
  4. Step 4: Simplify right side
    435,065.30x = 110,084,813,537.42
  5. Step 5: Solve for x
    x = 110,084,813,537.42/435,065.30
  6. Step 6: Final answer
    x = 253,030.55

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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.