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Finding the Fourth Proportional to 134,543,404.90, 188,488,312.70 and 134,543,404.90

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Solution

The fourth proportional to 134,543,404.90, 188,488,312.70 and 134,543,404.90 is: 188,488,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,543,404.90 : 188,488,312.70 = 134,543,404.90 : x
  2. Step 2: Convert to fraction form
    134,543,404.90/188,488,312.70 = 134,543,404.90/x
  3. Step 3: Cross multiply
    134,543,404.90x = 188,488,312.70 × 134,543,404.90
  4. Step 4: Simplify right side
    134,543,404.90x = 25,359,859,374,513,912
  5. Step 5: Solve for x
    x = 25,359,859,374,513,912/134,543,404.90
  6. Step 6: Final answer
    x = 188,488,312.70

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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.