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Finding the Fourth Proportional to 30,363,901.70, 45,545,852.55 and 30,363,901.70

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Solution

The fourth proportional to 30,363,901.70, 45,545,852.55 and 30,363,901.70 is: 45,545,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,901.70 : 45,545,852.55 = 30,363,901.70 : x
  2. Step 2: Convert to fraction form
    30,363,901.70/45,545,852.55 = 30,363,901.70/x
  3. Step 3: Cross multiply
    30,363,901.70x = 45,545,852.55 × 30,363,901.70
  4. Step 4: Simplify right side
    30,363,901.70x = 1,382,949,789,670,894.25
  5. Step 5: Solve for x
    x = 1,382,949,789,670,894.25/30,363,901.70
  6. Step 6: Final answer
    x = 45,545,852.55

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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.