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Finding the Fourth Proportional to 110,638,373.10, 155,120,470.50 and 110,638,373.10

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Solution

The fourth proportional to 110,638,373.10, 155,120,470.50 and 110,638,373.10 is: 155,120,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,638,373.10 : 155,120,470.50 = 110,638,373.10 : x
  2. Step 2: Convert to fraction form
    110,638,373.10/155,120,470.50 = 110,638,373.10/x
  3. Step 3: Cross multiply
    110,638,373.10x = 155,120,470.50 × 110,638,373.10
  4. Step 4: Simplify right side
    110,638,373.10x = 17,162,276,490,626,542
  5. Step 5: Solve for x
    x = 17,162,276,490,626,542/110,638,373.10
  6. Step 6: Final answer
    x = 155,120,470.50

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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.