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Finding the Fourth Proportional to 266,112,063.10, 371,649,895.70 and 266,112,063.10

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Solution

The fourth proportional to 266,112,063.10, 371,649,895.70 and 266,112,063.10 is: 371,649,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,063.10 : 371,649,895.70 = 266,112,063.10 : x
  2. Step 2: Convert to fraction form
    266,112,063.10/371,649,895.70 = 266,112,063.10/x
  3. Step 3: Cross multiply
    266,112,063.10x = 371,649,895.70 × 266,112,063.10
  4. Step 4: Simplify right side
    266,112,063.10x = 98,900,520,495,626,816
  5. Step 5: Solve for x
    x = 98,900,520,495,626,816/266,112,063.10
  6. Step 6: Final answer
    x = 371,649,895.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.