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Finding the Fourth Proportional to 140,934,376.20, 211,065,641.10 and 140,934,376.20

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Solution

The fourth proportional to 140,934,376.20, 211,065,641.10 and 140,934,376.20 is: 211,065,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,934,376.20 : 211,065,641.10 = 140,934,376.20 : x
  2. Step 2: Convert to fraction form
    140,934,376.20/211,065,641.10 = 140,934,376.20/x
  3. Step 3: Cross multiply
    140,934,376.20x = 211,065,641.10 × 140,934,376.20
  4. Step 4: Simplify right side
    140,934,376.20x = 29,746,404,465,681,580
  5. Step 5: Solve for x
    x = 29,746,404,465,681,580/140,934,376.20
  6. Step 6: Final answer
    x = 211,065,641.10

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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.