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Finding the Fourth Proportional to 342,793,068.58, 514,120,855.88 and 167,840,723.08

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Solution

The fourth proportional to 342,793,068.58, 514,120,855.88 and 167,840,723.08 is: 251,727,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,793,068.58 : 514,120,855.88 = 167,840,723.08 : x
  2. Step 2: Convert to fraction form
    342,793,068.58/514,120,855.88 = 167,840,723.08/x
  3. Step 3: Cross multiply
    342,793,068.58x = 514,120,855.88 × 167,840,723.08
  4. Step 4: Simplify right side
    342,793,068.58x = 86,290,416,201,407,680
  5. Step 5: Solve for x
    x = 86,290,416,201,407,680/342,793,068.58
  6. Step 6: Final answer
    x = 251,727,424.24

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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.