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Finding the Fourth Proportional to 79,451.76, 119,097.64 and 35,070.64

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Solution

The fourth proportional to 79,451.76, 119,097.64 and 35,070.64 is: 52,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.76 : 119,097.64 = 35,070.64 : x
  2. Step 2: Convert to fraction form
    79,451.76/119,097.64 = 35,070.64/x
  3. Step 3: Cross multiply
    79,451.76x = 119,097.64 × 35,070.64
  4. Step 4: Simplify right side
    79,451.76x = 4,176,830,457.29
  5. Step 5: Solve for x
    x = 4,176,830,457.29/79,451.76
  6. Step 6: Final answer
    x = 52,570.65

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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.