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Finding the Fourth Proportional to 79,495.80, 119,070.90 and 48,276.60

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Solution

The fourth proportional to 79,495.80, 119,070.90 and 48,276.60 is: 72,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,495.80 : 119,070.90 = 48,276.60 : x
  2. Step 2: Convert to fraction form
    79,495.80/119,070.90 = 48,276.60/x
  3. Step 3: Cross multiply
    79,495.80x = 119,070.90 × 48,276.60
  4. Step 4: Simplify right side
    79,495.80x = 5,748,338,210.94
  5. Step 5: Solve for x
    x = 5,748,338,210.94/79,495.80
  6. Step 6: Final answer
    x = 72,309.96

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1.5x scale

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.