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Finding the Fourth Proportional to 162,908,578.80, 244,362,868.20 and 162,908,578.80

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Solution

The fourth proportional to 162,908,578.80, 244,362,868.20 and 162,908,578.80 is: 244,362,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,908,578.80 : 244,362,868.20 = 162,908,578.80 : x
  2. Step 2: Convert to fraction form
    162,908,578.80/244,362,868.20 = 162,908,578.80/x
  3. Step 3: Cross multiply
    162,908,578.80x = 244,362,868.20 × 162,908,578.80
  4. Step 4: Simplify right side
    162,908,578.80x = 39,808,807,569,953,712
  5. Step 5: Solve for x
    x = 39,808,807,569,953,712/162,908,578.80
  6. Step 6: Final answer
    x = 244,362,868.20

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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.