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Finding the Fourth Proportional to 142,175,587.60, 199,314,561.20 and 142,175,587.60

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Solution

The fourth proportional to 142,175,587.60, 199,314,561.20 and 142,175,587.60 is: 199,314,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,175,587.60 : 199,314,561.20 = 142,175,587.60 : x
  2. Step 2: Convert to fraction form
    142,175,587.60/199,314,561.20 = 142,175,587.60/x
  3. Step 3: Cross multiply
    142,175,587.60x = 199,314,561.20 × 142,175,587.60
  4. Step 4: Simplify right side
    142,175,587.60x = 28,337,664,855,846,160
  5. Step 5: Solve for x
    x = 28,337,664,855,846,160/142,175,587.60
  6. Step 6: Final answer
    x = 199,314,561.20

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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.