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Finding the Fourth Proportional to 608,223.80, 912,347.85 and 158,916.80

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Solution

The fourth proportional to 608,223.80, 912,347.85 and 158,916.80 is: 238,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,223.80 : 912,347.85 = 158,916.80 : x
  2. Step 2: Convert to fraction form
    608,223.80/912,347.85 = 158,916.80/x
  3. Step 3: Cross multiply
    608,223.80x = 912,347.85 × 158,916.80
  4. Step 4: Simplify right side
    608,223.80x = 144,987,400,808.88
  5. Step 5: Solve for x
    x = 144,987,400,808.88/608,223.80
  6. Step 6: Final answer
    x = 238,378.37

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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.