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Finding the Fourth Proportional to 245,488.12, 368,216.88 and 117,495.31

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Solution

The fourth proportional to 245,488.12, 368,216.88 and 117,495.31 is: 176,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,488.12 : 368,216.88 = 117,495.31 : x
  2. Step 2: Convert to fraction form
    245,488.12/368,216.88 = 117,495.31/x
  3. Step 3: Cross multiply
    245,488.12x = 368,216.88 × 117,495.31
  4. Step 4: Simplify right side
    245,488.12x = 43,263,755,542.29
  5. Step 5: Solve for x
    x = 43,263,755,542.29/245,488.12
  6. Step 6: Final answer
    x = 176,235.64

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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.