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Finding the Fourth Proportional to 101,377,068.80, 142,286,214.40 and 101,377,068.80

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Solution

The fourth proportional to 101,377,068.80, 142,286,214.40 and 101,377,068.80 is: 142,286,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,377,068.80 : 142,286,214.40 = 101,377,068.80 : x
  2. Step 2: Convert to fraction form
    101,377,068.80/142,286,214.40 = 101,377,068.80/x
  3. Step 3: Cross multiply
    101,377,068.80x = 142,286,214.40 × 101,377,068.80
  4. Step 4: Simplify right side
    101,377,068.80x = 14,424,559,346,520,350
  5. Step 5: Solve for x
    x = 14,424,559,346,520,350/101,377,068.80
  6. Step 6: Final answer
    x = 142,286,214.40

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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.